| Rank | Czech as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 3.9% | Boonton Township School District / 4,311 |
| 2. | 3.5% | Washington Township School District / 6,628 |
| 3. | 3.0% | Lafayette Township School District / 2,530 |
| 4. | 2.5% | North Caldwell Borough School District / 6,276 |
| 5. | 2.0% | Harmony Township School District / 2,673 |
| 6. | 2.0% | Ogdensburg Borough School District / 2,309 |
| 7. | 2.0% | Belvidere Town School District / 2,681 |
| 8. | 1.9% | Hope Township School District / 1,842 |
| 9. | 1.9% | Middlesex Borough School District / 13,661 |
| 10. | 1.8% | Fredon Township School District / 3,392 |
| 11. | 1.8% | Ramsey Borough School District / 14,528 |
| 12. | 1.8% | Hamburg Borough School District / 3,255 |
| 13. | 1.7% | Knowlton Township School District / 3,043 |
| 14. | 1.7% | Berkeley Heights Township School District / 13,264 |
| 14. | 1.7% | Southampton Township School District / 10,486 |
| 16. | 1.7% | Roosevelt Borough School District / 833 |
| 17. | 1.6% | Mansfield Township School District / 7,734 |
| 18. | 1.6% | Downe Township School District / 1,374 |
| 19. | 1.6% | Warren Hills Regional School District / 23,990 |
| 20. | 1.6% | Montville Township School District / 21,580 |
| 21. | 1.5% | Wyckoff Township School District / 16,714 |
| 21. | 1.5% | Mount Arlington Borough School District / 5,110 |
| 23. | 1.5% | Lopatcong Township School District / 7,950 |
| 24. | 1.5% | Alpha Borough School District / 2,489 |
| 25. | 1.5% | Stanhope Borough School District / 3,604 |
| 26. | 1.4% | Verona Borough School District / 13,331 |
| 27. | 1.4% | Point Pleasant Borough School District / 18,499 |
| 28. | 1.3% | Little Ferry Borough School District / 10,635 |
| 28. | 1.3% | Frankford Township School District / 6,442 |
| 30. | 1.3% | East Amwell Township School District / 4,027 |
| 31. | 1.3% | Linwood City School District / 7,109 |
| 31. | 1.3% | Greenwich Township School District / 5,631 |
| 33. | 1.3% | Rockaway Township School District / 24,199 |
| 34. | 1.2% | Mahwah Township School District / 25,840 |
| 35. | 1.2% | Vernon Township School District / 23,956 |
| 35. | 1.2% | Ho-Ho-Kus Borough School District / 4,085 |
| 37. | 1.2% | Milford Borough School District / 1,154 |
| 37. | 1.2% | West Essex Regional School District / 21,667 |
| 37. | 1.2% | Dunellen Borough School District / 7,271 |
| 37. | 1.2% | Laurel Springs Borough School District / 1,968 |
| 41. | 1.2% | Swedesboro-Woolwich School District / 12,764 |
| 42. | 1.2% | Washington Township School District / 18,577 |
| 43. | 1.2% | Somerdale Borough School District / 5,185 |
| 43. | 1.2% | Lincoln Park Borough School District / 10,553 |
| 45. | 1.1% | Newton Town School District / 7,983 |
| 46. | 1.1% | Stockton Borough School District / 476 |
| 46. | 1.1% | High Point Regional School District / 22,345 |
| 48. | 1.1% | Warren Township School District / 15,412 |
| 49. | 1.1% | Bedminster Township School District / 8,190 |
| 49. | 1.1% | Wharton Borough School District / 6,531 |
| 49. | 1.1% | Delanco Township School District / 4,389 |
| 49. | 1.1% | Jefferson Township School District / 21,292 |
| 53. | 1.1% | Hopatcong Borough School District / 15,169 |
| 53. | 1.1% | Glen Ridge Borough School District / 7,520 |
| 53. | 1.1% | Ringwood Borough School District / 12,234 |
| 56. | 1.1% | Shamong Township School District / 6,502 |
| 57. | 1.0% | Montvale Borough School District / 7,826 |
| 57. | 1.0% | South Plainfield Borough School District / 23,397 |
| 57. | 1.0% | Branchburg Township School District / 14,479 |
| 60. | 1.0% | Wallkill Valley Regional School District / 18,709 |
| 60. | 1.0% | Morris Hills Regional School District / 53,830 |
| 62. | 1.0% | Atlantic Highlands Borough School District / 4,385 |
| 63. | 1.0% | Morris Township School District / 40,836 |
| 63. | 1.0% | Highlands Borough School District / 5,009 |
| 63. | 1.0% | Henry Hudson Regional School District / 9,394 |
| 66. | 1.0% | New Hanover Township School District / 6,191 |
| 66. | 1.0% | Hampton Borough School District / 1,307 |
| 68. | 1.0% | Delaware Township School District / 4,562 |
| 69. | 1.0% | Manville Borough School District / 10,358 |
| 70. | 1.0% | Island Heights Borough School District / 1,536 |
| 70. | 1.0% | Bethlehem Township School District / 3,957 |
| 72. | 1.0% | Chesterfield Township School District / 7,607 |
| 73. | 0.9% | Fairfield Township School District / 7,454 |
| 73. | 0.9% | Mine Hill Township School District / 3,669 |
| 73. | 0.9% | Brick Township School District / 75,367 |
| 73. | 0.9% | Morris Plains Borough School District / 5,586 |
| 77. | 0.9% | Ramapo-Indian Hill Regional School District / 40,073 |
| 78. | 0.9% | Andover Regional School District / 7,141 |
| 78. | 0.9% | Dover Town School District / 19,894 |
| 78. | 0.9% | Clinton Township School District / 13,359 |
| 81. | 0.9% | Beach Haven Borough School District / 1,191 |
| 81. | 0.9% | Watchung Hills Regional School District / 29,928 |
| 83. | 0.9% | Oxford Township School District / 2,505 |
| 83. | 0.9% | Bridgewater-Raritan Regional School District / 51,472 |
| 85. | 0.9% | West Morris Regional School District / 38,841 |
| 85. | 0.9% | Haddonfield Borough School District / 11,595 |
| 87. | 0.9% | Ocean Township School District / 8,333 |
| 87. | 0.9% | Bordentown Regional School District / 15,705 |
| 89. | 0.9% | Lumberton Township School District / 12,453 |
| 90. | 0.9% | Demarest Borough School District / 4,909 |
| 90. | 0.9% | Kittatinny Regional School District / 14,616 |
| 90. | 0.9% | Lambertville City School District / 3,890 |
| 93. | 0.8% | Hawthorne Borough School District / 18,753 |
| 93. | 0.8% | Monmouth Beach Borough School District / 3,298 |
| 95. | 0.8% | Hanover Township School District / 13,766 |
| 96. | 0.8% | North Warren Regional School District / 12,885 |
| 96. | 0.8% | Wildwood Crest Borough School District / 3,289 |
| 98. | 0.8% | Hillsdale Borough School District / 10,251 |
| 98. | 0.8% | Allamuchy Township School District / 4,363 |
| 100. | 0.8% | Pitman Borough School District / 9,037 |
| 100. | 0.8% | Lacey Township School District / 27,648 |
| 102. | 0.8% | Frelinghuysen Township School District / 2,347 |
| 103. | 0.8% | Saddle River Borough School District / 3,165 |
| 103. | 0.8% | Denville Township School District / 16,649 |
| 103. | 0.8% | Cranford Township School District / 22,659 |
| 103. | 0.8% | Princeton Regional School District / 28,643 |
| 103. | 0.8% | Randolph Township School District / 25,765 |
| 108. | 0.8% | Kingsway Regional School District / 25,476 |
| 108. | 0.8% | Watchung Borough School District / 5,776 |
| 108. | 0.8% | Elmwood Park Borough School District / 19,461 |
| 108. | 0.8% | Ewing Township School District / 35,966 |
| 112. | 0.8% | New Milford Borough School District / 16,362 |
| 113. | 0.8% | Westwood Regional School District / 20,056 |
| 113. | 0.8% | Rockaway Borough School District / 6,451 |
| 115. | 0.7% | Hardyston Township School District / 8,096 |
| 116. | 0.7% | Woodland Township School District / 1,383 |
| 117. | 0.7% | Flemington-Raritan Regional School District / 26,645 |
| 117. | 0.7% | Roselle Park Borough School District / 13,310 |
| 117. | 0.7% | Oakland Borough School District / 12,763 |
| 120. | 0.7% | Cresskill Borough School District / 8,541 |
| 120. | 0.7% | Berkeley Township School District / 41,376 |
| 122. | 0.7% | Freehold Township School District / 35,931 |
| 122. | 0.7% | Roseland Borough School District / 5,812 |
| 124. | 0.7% | Lenape Valley Regional School District / 15,192 |
| 124. | 0.7% | New Providence Borough School District / 12,191 |
| 124. | 0.7% | Westampton Township School District / 8,738 |
| 124. | 0.7% | Hunterdon Central Regional School District / 51,352 |
| 124. | 0.7% | Bernards Township School District / 26,596 |
| 124. | 0.7% | Livingston Township School District / 29,251 |
| 130. | 0.7% | Waldwick Borough School District / 9,693 |
| 130. | 0.7% | Toms River Regional School District / 108,575 |
| 130. | 0.7% | Central Regional School District / 49,139 |
| 130. | 0.7% | Milltown Borough School District / 6,916 |
| 130. | 0.7% | Chester Township School District / 9,409 |
| 130. | 0.7% | Millburn Township School District / 20,074 |
| 136. | 0.7% | Oradell Borough School District / 7,997 |
| 136. | 0.7% | Clinton Town School District / 4,439 |
| 136. | 0.7% | Westfield Town School District / 30,296 |
| 136. | 0.7% | Hopewell Valley Regional School District / 21,764 |
| 136. | 0.7% | Sussex-Wantage Regional School District / 13,373 |
| 141. | 0.7% | Long Hill Township School District / 8,740 |
| 142. | 0.7% | Union Township School District / 5,884 |
| 143. | 0.6% | Lakewood Township School District / 91,423 |
| 143. | 0.6% | Jackson Township School District / 54,641 |
| 143. | 0.6% | Sandyston-Walpack Township School District / 1,939 |
| 143. | 0.6% | Medford Lakes Borough School District / 4,160 |
| 143. | 0.6% | Weymouth Township School District / 2,699 |
| 148. | 0.6% | Metuchen Borough School District / 13,585 |
| 148. | 0.6% | Haworth Borough School District / 3,382 |
| 148. | 0.6% | Parsippany-Troy Hills Township School District / 53,284 |
| 148. | 0.6% | Mount Olive Township School District / 28,052 |
| 152. | 0.6% | South Orange-Maplewood School District / 40,109 |
| 152. | 0.6% | North Hunterdon-Voorhees Regional School District / 51,145 |
| 152. | 0.6% | Belmar Borough School District / 5,796 |
| 152. | 0.6% | Roxbury Township School District / 23,399 |
| 152. | 0.6% | Garfield City School District / 30,517 |
| 152. | 0.6% | Nutley Town School District / 28,326 |
| 158. | 0.6% | Middletown Township School District / 66,482 |
| 158. | 0.6% | Mount Holly Township School District / 9,567 |
| 158. | 0.6% | Fair Lawn Borough School District / 32,479 |
| 158. | 0.6% | Jamesburg Borough School District / 5,914 |
| 158. | 0.6% | Manchester Township School District / 42,942 |
| 158. | 0.6% | Greenwich Township School District / 4,906 |
| 158. | 0.6% | Colts Neck Township School District / 10,132 |
| 165. | 0.6% | Beverly City School District / 2,584 |
| 166. | 0.6% | Mendham Borough School District / 5,004 |
| 166. | 0.6% | Hamilton Township School District / 88,572 |
| 166. | 0.6% | Seaside Heights Borough School District / 2,906 |
| 166. | 0.6% | Moonachie Borough School District / 2,711 |
| 170. | 0.6% | Rancocas Valley Regional School District / 42,868 |
| 171. | 0.6% | Stillwater Township School District / 4,118 |
| 171. | 0.6% | Mountain Lakes Borough School District / 4,206 |
| 171. | 0.6% | Pompton Lakes Borough School District / 11,074 |
| 171. | 0.6% | Elsinboro Township School District / 1,025 |
| 171. | 0.6% | South Brunswick Township School District / 43,419 |
| 176. | 0.6% | Lebanon Borough School District / 1,616 |
| 176. | 0.6% | Ridgefield Park Township School District / 12,761 |
| 176. | 0.6% | Riverton Borough School District / 2,789 |
| 176. | 0.6% | Hopewell Township School District / 5,190 |
| 176. | 0.6% | Woodland Park Borough School District / 11,957 |
| 176. | 0.6% | Lakeland Regional School District / 23,296 |
| 176. | 0.6% | River Dell Regional School District / 19,337 |
| 176. | 0.6% | Tinton Falls Borough School District / 18,859 |
| 184. | 0.5% | Delran Township School District / 16,835 |
| 184. | 0.5% | Kingwood Township School District / 3,848 |
| 184. | 0.5% | Lakehurst Borough School District / 2,659 |
| 184. | 0.5% | Byram Township School District / 8,336 |
| 184. | 0.5% | Stafford Township School District / 26,493 |
| 184. | 0.5% | Frenchtown Borough School District / 1,455 |
| 184. | 0.5% | The Chathams School District / 19,481 |
| 184. | 0.5% | West Milford Township School District / 25,869 |
| 184. | 0.5% | Upper Freehold Regional School District / 8,626 |
| 193. | 0.5% | Ridgewood Village School District / 24,999 |
| 193. | 0.5% | Upper Saddle River Borough School District / 8,186 |
| 193. | 0.5% | Southern Regional School District / 34,153 |
| 193. | 0.5% | Mainland Regional School District / 26,588 |
| 193. | 0.5% | Hillsborough Township School District / 38,849 |
| 198. | 0.5% | West Long Branch Borough School District / 8,238 |
| 198. | 0.5% | Hoboken City School District / 49,898 |
| 198. | 0.5% | Springfield Township School District / 16,030 |
| 198. | 0.5% | Pascack Valley Regional School District / 33,505 |
| 202. | 0.5% | Hampton Township School District / 5,167 |
| 202. | 0.5% | Great Meadows Regional School District / 8,613 |
| 202. | 0.5% | Bogota Borough School District / 8,200 |
| 202. | 0.5% | Scotch Plains-Fanwood Regional School District / 30,788 |
| 202. | 0.5% | Shore Regional School District / 18,732 |
| 207. | 0.5% | Manasquan Borough School District / 5,904 |
| 207. | 0.5% | Franklin Borough School District / 5,049 |
| 207. | 0.5% | Name N/A / 1,646,204 |
| 210. | 0.5% | Manalapan-Englishtown Regional School District / 40,467 |
| 210. | 0.5% | Point Pleasant Beach Borough School District / 5,144 |
| 210. | 0.5% | Northvale Borough School District / 4,700 |
| 213. | 0.5% | South Hunterdon Regional School District / 8,119 |
| 213. | 0.5% | Lyndhurst Township School District / 20,621 |
| 213. | 0.5% | River Edge Borough School District / 11,340 |
| 216. | 0.5% | West Windsor-Plainsboro Regional School District / 50,204 |
| 216. | 0.5% | Blairstown Township School District / 7,495 |
| 218. | 0.5% | Wayne Township School District / 54,641 |
| 218. | 0.5% | Hackensack City School District / 43,126 |
| 218. | 0.5% | Millstone Township School District / 10,462 |
| 218. | 0.5% | Kenilworth Borough School District / 7,907 |
| 222. | 0.5% | Mendham Township School District / 5,851 |
| 222. | 0.5% | Mantua Township School District / 15,185 |
| 224. | 0.4% | Clementon Borough School District / 5,008 |
| 224. | 0.4% | Woodbury City School District / 10,187 |
| 224. | 0.4% | Moorestown Township School District / 20,667 |
| 224. | 0.4% | Lenape Regional School District / 140,024 |
| 224. | 0.4% | Edgewater Borough School District / 11,425 |
| 224. | 0.4% | Port Republic City School District / 987 |
| 230. | 0.4% | Caldwell-West Caldwell School District / 18,597 |
| 230. | 0.4% | Northfield City School District / 8,626 |
| 230. | 0.4% | Ocean Gate Borough School District / 1,889 |
| 233. | 0.4% | Folsom Borough School District / 1,827 |
| 233. | 0.4% | Readington Township School District / 16,118 |
| 233. | 0.4% | Shrewsbury Borough School District / 3,822 |
| 233. | 0.4% | East Brunswick Township School District / 47,600 |
| 237. | 0.4% | Maple Shade Township School District / 19,198 |
| 237. | 0.4% | Florence Township School District / 12,150 |
| 237. | 0.4% | Madison Borough School District / 15,923 |
| 237. | 0.4% | Delaware Valley Regional School District / 16,643 |
| 237. | 0.4% | Haddon Township School District / 14,712 |
| 242. | 0.4% | Freehold Regional School District / 190,822 |
| 242. | 0.4% | Long Beach Island School District / 6,469 |
| 242. | 0.4% | Pine Hill Borough School District / 10,317 |
| 242. | 0.4% | Closter Borough School District / 8,397 |
| 242. | 0.4% | Matawan-Aberdeen Regional School District / 26,950 |
| 242. | 0.4% | Burlington City School District / 9,904 |
| 242. | 0.4% | Absecon City School District / 8,369 |
| 249. | 0.4% | Red Bank Borough School District / 12,194 |
| 249. | 0.4% | Hackettstown Town School District / 9,743 |
| 249. | 0.4% | Montgomery Township School District / 22,624 |
| 252. | 0.4% | East Windsor Regional School District / 32,647 |
| 252. | 0.4% | Monmouth Regional School District / 31,454 |
| 252. | 0.4% | Haddon Heights Borough School District / 7,530 |
| 252. | 0.4% | South River Borough School District / 15,992 |
| 252. | 0.4% | Old Bridge Township School District / 65,398 |
| 252. | 0.4% | Neptune City School District / 4,869 |
| 258. | 0.4% | Robbinsville Township School District / 13,612 |
| 258. | 0.4% | Woodbridge Township School District / 99,695 |
| 258. | 0.4% | Keansburg Borough School District / 10,097 |
| 258. | 0.4% | Red Bank Regional School District / 21,986 |
| 258. | 0.4% | Sterling High School Dist School District / 16,585 |
| 263. | 0.4% | Somerset Hills Regional School District / 11,296 |
| 263. | 0.4% | Tewksbury Township School District / 5,949 |
| 263. | 0.4% | Burlington Township School District / 22,558 |
| 263. | 0.4% | White Township School District / 4,844 |
| 263. | 0.4% | Howell Township School District / 50,994 |
| 263. | 0.4% | Montague Township School District / 3,839 |
| 263. | 0.4% | Ventnor City City School District / 10,785 |
| 263. | 0.4% | Rutherford Borough School District / 18,084 |
| 271. | 0.4% | Woodstown-Pilesgrove Regional School District / 7,533 |
| 271. | 0.4% | Lake Como Borough School District / 1,780 |
| 273. | 0.3% | Hasbrouck Heights Borough School District / 11,830 |
| 273. | 0.3% | Oceanport Borough School District / 7,196 |
| 273. | 0.3% | Highland Park Borough School District / 14,074 |
| 273. | 0.3% | Summit City School District / 21,468 |
| 273. | 0.3% | Longport Borough School District / 979 |
| 273. | 0.3% | Glassboro Borough School District / 18,750 |
| 273. | 0.3% | Englewood City School District / 27,205 |
| 280. | 0.3% | Sparta Township School District / 19,670 |
| 280. | 0.3% | Mount Laurel Township School District / 41,865 |
| 280. | 0.3% | Green Township School District / 3,594 |
| 280. | 0.3% | Collingswood Borough School District / 13,923 |
| 280. | 0.3% | Califon Borough School District / 1,294 |
| 285. | 0.3% | Little Silver Borough School District / 5,970 |
| 285. | 0.3% | Northern Burlington Regional School District / 29,454 |
| 285. | 0.3% | Hanover Park Regional School District / 36,681 |
| 285. | 0.3% | Berlin Borough School District / 7,531 |
| 285. | 0.3% | Cape May City School District / 3,613 |
| 285. | 0.3% | Northern Valley Regional School District / 37,586 |
| 285. | 0.3% | Lower Alloways Creek Township School District / 1,812 |
| 285. | 0.3% | Piscataway Township School District / 56,235 |
| 293. | 0.3% | Avon-by-the-Sea Borough School District / 1,972 |
| 293. | 0.3% | Holmdel Township School District / 16,688 |
| 293. | 0.3% | Merchantville Borough School District / 3,825 |
| 293. | 0.3% | Linden City School District / 40,421 |
| 293. | 0.3% | Paramus Borough School District / 26,301 |
| 293. | 0.3% | Medford Township School District / 23,093 |
| 293. | 0.3% | South Amboy City School District / 8,630 |
| 300. | 0.3% | Galloway Township School District / 37,137 |
| 300. | 0.3% | Lodi Borough School District / 24,176 |
| 300. | 0.3% | Pennsauken Township School District / 35,874 |
| 300. | 0.3% | East Greenwich Township School District / 9,570 |
| 300. | 0.3% | Ocean Township School District / 27,484 |
| 300. | 0.3% | Hamilton Township School District / 26,353 |
| 306. | 0.3% | High Bridge Borough School District / 3,644 |
| 306. | 0.3% | Perth Amboy City School District / 50,981 |
| 306. | 0.3% | Lebanon Township School District / 6,535 |
| 306. | 0.3% | Hainesport Township School District / 6,022 |
| 306. | 0.3% | West Deptford Township School District / 21,588 |
| 306. | 0.3% | South Hackensack Township School District / 2,335 |
| 306. | 0.3% | Commercial Township School District / 5,195 |
| 306. | 0.3% | Carteret Borough School District / 23,135 |
| 306. | 0.3% | Millville City School District / 28,438 |
| 306. | 0.3% | Clearview Regional School District / 27,518 |
| 306. | 0.3% | Northern Highlands Regional School District / 14,735 |
| 306. | 0.3% | Upper Township School District / 12,283 |
| 318. | 0.3% | Sea Girt Borough School District / 1,870 |
| 318. | 0.3% | South Harrison Township School District / 3,142 |
| 318. | 0.3% | Greater Egg Harbor Regional School District / 73,923 |
| 318. | 0.3% | Mullica Township School District / 6,154 |
| 318. | 0.3% | Pemberton Township School District / 29,416 |
| 318. | 0.3% | Clifton City School District / 83,926 |
| 324. | 0.3% | Rahway City School District / 27,369 |
| 324. | 0.3% | Logan Township School District / 6,062 |
| 324. | 0.3% | Montclair Town School District / 37,702 |
| 324. | 0.3% | Evesham Township School District / 45,555 |
| 324. | 0.3% | Gloucester Township School District / 64,519 |
| 329. | 0.3% | Holland Township School District / 5,274 |
| 329. | 0.3% | North Haledon Borough School District / 8,360 |
| 329. | 0.3% | Hazlet Township School District / 20,348 |
| 329. | 0.3% | Washington Township School District / 48,586 |
| 329. | 0.3% | Bergenfield Borough School District / 26,774 |
| 334. | 0.3% | Alexandria Township School District / 4,912 |
| 334. | 0.3% | Sayreville Borough School District / 42,929 |
| 334. | 0.3% | Bayonne City School District / 63,164 |
| 334. | 0.3% | West Orange Town School District / 46,195 |
| 334. | 0.3% | Phillipsburg Town School District / 14,936 |
| 334. | 0.3% | Boonton Town School District / 8,403 |
| 334. | 0.3% | Hi-Nella Borough School District / 881 |
| 341. | 0.2% | Buena Regional School District / 12,139 |
| 341. | 0.2% | Fair Haven Borough School District / 6,102 |
| 341. | 0.2% | West Cape May Borough School District / 916 |
| 341. | 0.2% | Wenonah Borough School District / 2,123 |
| 341. | 0.2% | Spring Lake Heights Borough School District / 4,733 |
| 341. | 0.2% | Edison Township School District / 100,116 |
| 347. | 0.2% | Runnemede Borough School District / 8,466 |
| 347. | 0.2% | Franklin Township School District / 62,189 |
| 347. | 0.2% | Neptune Township School District / 27,914 |
| 347. | 0.2% | Monroe Township School District / 39,142 |
| 347. | 0.2% | Black Horse Pike Regional School District / 84,570 |
| 347. | 0.2% | Mansfield Township School District / 8,417 |
| 347. | 0.2% | Bound Brook Borough School District / 10,493 |
| 354. | 0.2% | Dumont Borough School District / 17,505 |
| 354. | 0.2% | East Newark Borough School District / 2,297 |
| 354. | 0.2% | Fort Lee Borough School District / 35,420 |
| 354. | 0.2% | Clark Township School District / 14,768 |
| 354. | 0.2% | Wood-Ridge Borough School District / 7,892 |
| 354. | 0.2% | Green Brook Township School District / 7,171 |
| 354. | 0.2% | Leonia Borough School District / 8,948 |
| 354. | 0.2% | Eastern Camden County Regional School District / 39,065 |
| 354. | 0.2% | Elk Township School District / 4,213 |
| 363. | 0.2% | Franklin Township School District / 3,161 |
| 363. | 0.2% | Delsea Regional High School School District / 21,002 |
| 363. | 0.2% | Newfield Elementary School District / 1,717 |
| 363. | 0.2% | Mannington Township School District / 1,621 |
| 363. | 0.2% | Riverdale Borough School District / 3,659 |
| 363. | 0.2% | Voorhees Township School District / 29,225 |
| 363. | 0.2% | Passaic Valley Regional School District / 37,020 |
| 363. | 0.2% | Franklin Township School District / 3,153 |
| 363. | 0.2% | Kinnelon Borough School District / 10,276 |
| 372. | 0.2% | Franklin Lakes Borough School District / 10,596 |
| 372. | 0.2% | Spotswood Borough School District / 10,518 |
| 372. | 0.2% | Franklin Township School District / 16,789 |
| 372. | 0.2% | Weehawken Township School District / 12,764 |
| 372. | 0.2% | Netcong Borough School District / 3,252 |
| 372. | 0.2% | Union Beach Borough School District / 6,252 |
| 372. | 0.2% | Secaucus Town School District / 16,809 |
| 372. | 0.2% | Asbury Park City School District / 16,081 |
| 372. | 0.2% | Kearny Town School District / 40,744 |
| 372. | 0.2% | Woodcliff Lake Borough School District / 5,750 |
| 372. | 0.2% | Washington Borough School District / 6,475 |
| 372. | 0.2% | Garwood Borough School District / 4,295 |
| 384. | 0.2% | Deptford Township School District / 30,482 |
| 384. | 0.2% | Bass River Township School District / 1,682 |
| 384. | 0.2% | Rumson-Fair Haven Regional School District / 13,200 |
| 384. | 0.2% | Dennis Township School District / 6,436 |
| 384. | 0.2% | Lower Cape May Regional School District / 27,251 |
| 389. | 0.2% | Somerville Borough School District / 12,132 |
| 389. | 0.2% | Brooklawn Borough School District / 1,811 |
| 389. | 0.2% | Guttenberg Town School District / 11,166 |
| 389. | 0.2% | Bridgeton City School District / 25,252 |
| 389. | 0.2% | Monroe Township School District / 36,087 |
| 389. | 0.2% | Freehold Borough School District / 12,013 |
| 389. | 0.2% | Emerson Borough School District / 7,471 |
| 389. | 0.2% | Cherry Hill Township School District / 70,932 |
| 397. | 0.2% | Plumsted Township School District / 8,413 |
| 397. | 0.2% | Lower Township School District / 22,722 |
| 399. | 0.2% | Wallington Borough School District / 11,410 |
| 399. | 0.2% | Harding Township School District / 3,833 |
| 399. | 0.2% | Brielle Borough School District / 4,787 |
| 402. | 0.2% | Pennsville Township School District / 13,369 |
| 402. | 0.2% | Rumson Borough School District / 7,098 |
| 402. | 0.2% | Winfield Township School District / 1,430 |
| 402. | 0.2% | Essex Fells Borough School District / 2,125 |
| 402. | 0.2% | Margate City School District / 6,459 |
| 402. | 0.2% | Lawrence Township School District / 33,143 |
| 402. | 0.2% | Union Township School District / 56,480 |
| 409. | 0.1% | Camden City School District / 77,606 |
| 409. | 0.1% | Cinnaminson Township School District / 15,791 |
| 409. | 0.1% | Saddle Brook Township School District / 13,734 |
| 409. | 0.1% | Cumberland Regional School District / 24,762 |
| 409. | 0.1% | Barnegat Township School District / 20,892 |
| 414. | 0.1% | Keyport Borough School District / 7,265 |
| 414. | 0.1% | North Brunswick Township School District / 40,642 |
| 414. | 0.1% | Bloomfield Township School District / 47,339 |
| 414. | 0.1% | Jersey City School District / 248,435 |
| 414. | 0.1% | Marlboro Township School District / 39,975 |
| 414. | 0.1% | Estell Manor City School District / 1,698 |
| 414. | 0.1% | Passaic County Manchester Regional School District / 22,595 |
| 414. | 0.1% | Maywood Borough School District / 9,547 |
| 414. | 0.1% | Springfield Township School District / 3,401 |
| 423. | 0.1% | North Plainfield Borough School District / 21,960 |
| 423. | 0.1% | Somers Point City School District / 10,853 |
| 423. | 0.1% | Little Egg Harbor Township School District / 19,992 |
| 423. | 0.1% | Bloomingdale Borough School District / 7,654 |
| 423. | 0.1% | Cedar Grove Township School District / 12,432 |
| 428. | 0.1% | Eatontown Borough School District / 12,595 |
| 428. | 0.1% | Butler Borough School District / 7,547 |
| 428. | 0.1% | Fairfield Township School District / 6,426 |
| 428. | 0.1% | North Arlington Borough School District / 15,407 |
| 432. | 0.1% | Pinelands Regional School District / 26,547 |
| 432. | 0.1% | Tenafly Borough School District / 14,473 |
| 432. | 0.1% | Wall Township School District / 26,089 |
| 432. | 0.1% | Harrison Township School District / 12,333 |
| 436. | 0.1% | Winslow Township School District / 39,143 |
| 436. | 0.1% | Egg Harbor Township School District / 42,890 |
| 436. | 0.1% | New Brunswick City School District / 55,151 |
| 436. | 0.1% | Audubon Borough School District / 9,840 |
| 440. | 0.1% | Brigantine City School District / 9,622 |
| 440. | 0.1% | Trenton City School District / 84,799 |
| 440. | 0.1% | Pleasantville City School District / 20,387 |
| 440. | 0.1% | Fairview Borough School District / 13,888 |
| 440. | 0.1% | Waterford Township School District / 10,683 |
| 440. | 0.1% | Elizabeth City School District / 124,795 |
| 440. | 0.1% | Haledon Borough School District / 8,375 |
| 440. | 0.1% | Irvington Township School District / 54,205 |
| 440. | 0.1% | North Bergen Township School District / 60,772 |
| 449. | 0.1% | Little Falls Township School District / 14,279 |
| 449. | 0.1% | Atlantic City School District / 39,680 |
| 449. | 0.1% | Teaneck Township School District / 39,781 |
| 449. | 0.1% | Harrison Town School District / 13,683 |
| 449. | 0.1% | Union City School District / 66,646 |
| 454. | 0.1% | Hillside Township School District / 21,413 |
| 454. | 0.1% | Vineland City School District / 60,610 |
| 454. | 0.1% | Cliffside Park Borough School District / 23,618 |
| 457. | 0.1% | Gloucester City School District / 11,468 |
| 457. | 0.1% | Pittsgrove Township School District / 9,358 |
| 457. | 0.1% | Roselle Borough School District / 21,103 |
| 457. | 0.1% | Middle Township School District / 18,734 |
| 457. | 0.1% | Plainfield City School District / 49,701 |
| 462. | 0.0% | Gateway Regional School District / 12,531 |
| 462. | 0.0% | Ocean City School District / 11,790 |
| 462. | 0.0% | West New York Town School District / 49,816 |
| 462. | 0.0% | Long Branch City School District / 30,759 |
| 462. | 0.0% | Passaic City School District / 69,685 |
| 467. | 0.0% | Newark City School District / 276,478 |
| 467. | 0.0% | Paterson City School District / 145,655 |
| 467. | 0.0% | East Orange City School District / 64,356 |
| 470. | 0.0% | Belleville Town School District / 35,913 |
Please note that we only rank locations with 'Czech as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Czech as First Ancestry Population Percentage' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
