| Rank | Average Family Size ▼ | School District / Population |
| 1. | 3.99 | Durant Public School District / 2,598 |
| 2. | 3.98 | Humphreys County School District / 9,106 |
| 3. | 3.95 | North Panola School District / 11,122 |
| 4. | 3.94 | Yazoo City Municipal School District / 11,462 |
| 5. | 3.92 | Claiborne County School District / 9,396 |
| 6. | 3.82 | South Panola School District / 23,385 |
| 7. | 3.81 | North Bolivar School District / 3,526 |
| 8. | 3.77 | Holmes County School District / 16,367 |
| 9. | 3.75 | Greenwood Public School District / 16,478 |
| 10. | 3.75 | Mound Bayou Public School / 2,638 |
| 11. | 3.74 | Pontotoc City Schools / 12,316 |
| 12. | 3.65 | Jefferson County School District / 7,634 |
| 13. | 3.64 | Leflore County School District / 15,294 |
| 14. | 3.63 | Benton County School District / 8,573 |
| 15. | 3.62 | Sunflower County School District / 16,809 |
| 16. | 3.62 | Forest Municipal School District / 8,498 |
| 17. | 3.62 | Grenada School District / 21,660 |
| 18. | 3.60 | Indianola School District / 11,505 |
| 19. | 3.59 | Laurel School District / 18,352 |
| 20. | 3.59 | Hazlehurst City School District / 10,502 |
| 21. | 3.58 | George County School District / 22,960 |
| 22. | 3.58 | Jackson County School District / 51,112 |
| 23. | 3.56 | North Pike School District / 11,723 |
| 24. | 3.55 | Yazoo County School District / 16,614 |
| 25. | 3.54 | Stone County School District / 17,941 |
| 26. | 3.54 | Scott County School District / 19,814 |
| 27. | 3.54 | Jackson Public School District / 169,090 |
| 28. | 3.54 | Amite County School District / 12,957 |
| 29. | 3.53 | Covington County School District / 19,495 |
| 30. | 3.53 | South Pike School District / 11,162 |
| 31. | 3.52 | Clarksdale Municipal School District / 17,497 |
| 32. | 3.52 | Pontotoc County Schools / 18,058 |
| 33. | 3.50 | Kemper County School District / 10,310 |
| 34. | 3.50 | Richton School District / 3,404 |
| 35. | 3.48 | Greenville Public School District / 30,276 |
| 36. | 3.48 | South Delta School District / 5,960 |
| 37. | 3.48 | Copiah County School District / 18,526 |
| 38. | 3.46 | Oxford School District / 34,789 |
| 39. | 3.45 | Wilkinson County School District / 9,481 |
| 40. | 3.44 | Pascagoula Separate School District / 39,993 |
| 41. | 3.44 | West Bolivar School District / 3,641 |
| 42. | 3.43 | Lumberton Public School District / 5,532 |
| 43. | 3.42 | Simpson County School District / 27,425 |
| 44. | 3.42 | Neshoba County School District / 21,758 |
| 45. | 3.42 | Philadelphia Public School District / 6,849 |
| 46. | 3.41 | Petal School District / 19,754 |
| 47. | 3.41 | Booneville School District / 6,362 |
| 48. | 3.41 | Western Line School District / 10,528 |
| 49. | 3.40 | Aberdeen School District / 9,671 |
| 50. | 3.40 | Perry County Schools / 8,769 |
| 51. | 3.39 | McComb School District / 17,324 |
| 52. | 3.39 | Lafayette County School District / 15,467 |
| 53. | 3.38 | Tate County School District / 18,564 |
| 54. | 3.37 | Leake County School District / 23,368 |
| 55. | 3.36 | Canton Public School District / 22,254 |
| 56. | 3.35 | Tunica County School District / 10,583 |
| 57. | 3.35 | Hinds County School District / 47,704 |
| 58. | 3.35 | Vicksburg Warren School District / 48,291 |
| 59. | 3.35 | Moss Point School District / 20,590 |
| 60. | 3.35 | Forrest County Schools / 19,063 |
| 61. | 3.33 | Shaw School District / 3,219 |
| 62. | 3.33 | Hollandale School District / 3,520 |
| 63. | 3.33 | Walthall County School District / 15,126 |
| 64. | 3.32 | Ocean Springs School District / 28,499 |
| 65. | 3.32 | Pass Christian Public School District / 10,065 |
| 66. | 3.32 | Natchez-Adams School District / 32,189 |
| 67. | 3.31 | DeSoto County School District / 166,266 |
| 68. | 3.30 | Coahoma County School District / 8,030 |
| 69. | 3.30 | Harrison County School District / 91,876 |
| 70. | 3.29 | Leland School District / 5,931 |
| 71. | 3.29 | Greene County School District / 14,308 |
| 72. | 3.29 | Amory School District / 10,120 |
| 73. | 3.28 | Lauderdale County School District / 39,452 |
| 74. | 3.28 | Houston School District / 10,146 |
| 75. | 3.27 | Meridian Public School District / 40,809 |
| 76. | 3.27 | Clinton Public School District / 29,570 |
| 77. | 3.27 | Carroll County School District / 10,418 |
| 78. | 3.27 | Union Public School District / 3,915 |
| 79. | 3.25 | Kosciusko School District / 11,414 |
| 80. | 3.25 | Attala County School District / 7,889 |
| 81. | 3.25 | Oktibbeha County School District / 12,677 |
| 82. | 3.24 | Cleveland School District / 19,784 |
| 83. | 3.24 | Quitman County School District / 7,902 |
| 84. | 3.24 | Jones County School District / 49,921 |
| 85. | 3.24 | Water Valley School District / 6,634 |
| 86. | 3.23 | Okolona Separate School District / 4,997 |
| 87. | 3.23 | Lee County School District / 38,928 |
| 88. | 3.23 | Picayune School District / 23,162 |
| 89. | 3.22 | Tupelo Public School District / 39,879 |
| 90. | 3.22 | Pearl River County School District / 17,619 |
| 91. | 3.21 | Noxubee County School District / 11,240 |
| 92. | 3.20 | West Tallahatchie School / 8,170 |
| 93. | 3.20 | Union County School District / 16,688 |
| 94. | 3.20 | Lowndes County School District / 27,309 |
| 95. | 3.20 | Coffeeville School District / 5,799 |
| 96. | 3.20 | Clay County School District / 2,272 |
| 97. | 3.20 | Madison County School District / 76,368 |
| 98. | 3.19 | Lamar County School District / 52,153 |
| 99. | 3.18 | Hattiesburg Public School District / 39,676 |
| 100. | 3.18 | Wayne County School District / 20,611 |
| 101. | 3.18 | Marshall County School District / 24,256 |
| 102. | 3.18 | New Albany Public Schools / 10,848 |
| 103. | 3.18 | Alcorn School District / 22,451 |
| 104. | 3.17 | Chickasaw County School District / 2,565 |
| 105. | 3.17 | Quitman School District / 12,806 |
| 106. | 3.17 | Brookhaven School District / 18,943 |
| 107. | 3.16 | Enterprise School District / 3,703 |
| 108. | 3.16 | Winona Separate School District / 5,231 |
| 109. | 3.16 | Gulfport School District / 37,378 |
| 110. | 3.16 | Holly Springs School District / 12,380 |
| 111. | 3.16 | Corinth School District / 14,828 |
| 112. | 3.16 | Calhoun County School District / 14,841 |
| 113. | 3.15 | Starkville School District / 35,962 |
| 114. | 3.15 | Columbus Municipal School District / 32,427 |
| 115. | 3.15 | Smith County School District / 16,344 |
| 116. | 3.15 | Montgomery County School District / 5,403 |
| 117. | 3.14 | Long Beach School District / 16,100 |
| 118. | 3.14 | Choctaw County School District / 8,399 |
| 119. | 3.14 | Lawrence County School District / 12,636 |
| 120. | 3.13 | Rankin County School District / 119,378 |
| 121. | 3.13 | Bay St. Louis School District / 15,468 |
| 122. | 3.13 | Itawamba County School District / 23,415 |
| 123. | 3.13 | Benoit School District / 1,153 |
| 124. | 3.12 | Columbia School District / 10,418 |
| 125. | 3.12 | West Jasper School District / 10,383 |
| 126. | 3.11 | East Tallahatchie School District / 6,954 |
| 127. | 3.11 | Lincoln County School District / 15,881 |
| 128. | 3.11 | Biloxi Public School District / 38,223 |
| 129. | 3.11 | Marion County School District / 16,031 |
| 130. | 3.10 | Newton County School District / 11,963 |
| 131. | 3.09 | West Point School District / 18,142 |
| 132. | 3.08 | Nettleton School District / 6,264 |
| 133. | 3.07 | Senatobia Municipal School District / 9,993 |
| 134. | 3.06 | Jefferson Davis County School District / 12,100 |
| 135. | 3.06 | Poplarville Separate School District / 12,720 |
| 136. | 3.05 | South Tippah School District / 14,606 |
| 137. | 3.05 | Pearl Public School District / 26,105 |
| 138. | 3.04 | Monroe County School District / 13,402 |
| 139. | 3.01 | Tishomingo County Schools / 19,532 |
| 140. | 2.98 | Newton Municipal School / 6,782 |
| 141. | 2.96 | Prentiss County School District / 16,057 |
| 142. | 2.95 | North Tippah School District / 7,463 |
| 143. | 2.93 | Louisville Municipal School District / 18,882 |
| 144. | 2.92 | Hancock County School District / 29,479 |
| 145. | 2.91 | Webster County School District / 10,077 |
| 146. | 2.84 | Baldwyn School District / 5,294 |
| 147. | 2.76 | East Jasper School District / 6,304 |
| 148. | 2.74 | Franklin County School District / 7,944 |
Please note that we only rank locations with 'Average Family Size' data. The rank above might not be a complete list. Locations without 'Average Family Size' data are not listed.
