| Rank | United States American as First Ancestry Population Percentage ▼ | School District / Population |
| 1. | 40.3% | West Carroll Parish School District / 11,689 |
| 2. | 40.1% | La Salle Parish School District / 14,680 |
| 3. | 31.7% | Caldwell Parish School District / 10,188 |
| 4. | 31.6% | Grant Parish School District / 21,675 |
| 5. | 28.7% | Richland Parish School District / 20,692 |
| 6. | 26.2% | Franklin Parish School District / 20,727 |
| 7. | 26.0% | Rapides Parish School District / 130,800 |
| 8. | 23.5% | Tensas Parish School District / 5,430 |
| 9. | 22.0% | Catahoula Parish School District / 10,465 |
| 10. | 22.0% | St. Mary Parish School District / 54,348 |
| 11. | 21.9% | East Feliciana Parish School District / 20,417 |
| 12. | 20.0% | Washington Parish School District / 34,161 |
| 13. | 19.7% | Madison Parish School District / 12,286 |
| 14. | 19.5% | Zachary Community School District / 20,753 |
| 15. | 19.4% | West Feliciana Parish School District / 15,681 |
| 16. | 19.4% | Cameron Parish School District / 7,280 |
| 17. | 19.3% | Central Community School District / 28,526 |
| 18. | 18.9% | Webster Parish School District / 41,238 |
| 19. | 18.7% | Concordia Parish School District / 20,502 |
| 20. | 18.4% | Lafourche Parish School District / 95,428 |
| 21. | 17.7% | Ouachita Parish School District / 102,935 |
| 22. | 16.5% | Bossier Parish School District / 113,837 |
| 23. | 16.4% | Claiborne Parish School District / 17,160 |
| 24. | 15.5% | East Carroll Parish School District / 7,964 |
| 25. | 14.8% | Union Parish School District / 22,750 |
| 26. | 14.3% | Beauregard Parish School District / 35,000 |
| 27. | 14.2% | Iberia Parish School District / 73,395 |
| 28. | 13.8% | Terrebonne Parish School District / 111,131 |
| 29. | 13.5% | Pointe Coupee Parish School District / 22,837 |
| 30. | 13.4% | Bienville Parish School District / 14,546 |
| 31. | 12.9% | Bogalusa City School District / 12,417 |
| 32. | 12.5% | Livingston Parish School District / 122,798 |
| 33. | 12.2% | Sabine Parish School District / 24,119 |
| 34. | 12.2% | Jackson Parish School District / 16,078 |
| 35. | 12.1% | St. Martin Parish School District / 51,721 |
| 36. | 11.9% | Jefferson Davis Parish School District / 31,500 |
| 37. | 11.3% | Avoyelles Parish School District / 42,013 |
| 38. | 11.3% | Vermilion Parish School District / 57,280 |
| 39. | 11.0% | Morehouse Parish School District / 28,388 |
| 40. | 11.0% | Red River Parish School District / 9,181 |
| 41. | 10.8% | Vernon Parish School District / 50,451 |
| 42. | 10.0% | Acadia Parish School District / 61,139 |
| 43. | 9.9% | Baker City School District / 13,844 |
| 44. | 9.8% | De Soto Parish School District / 26,465 |
| 45. | 9.7% | Winn Parish School District / 15,477 |
| 46. | 9.1% | St. Tammany Parish School District / 228,894 |
| 47. | 8.8% | West Baton Rouge Parish School District / 23,274 |
| 47. | 8.8% | Calcasieu Parish School District / 189,134 |
| 49. | 8.3% | Tangipahoa Parish School District / 118,190 |
| 50. | 8.2% | Allen Parish School District / 25,816 |
| 51. | 8.0% | Evangeline Parish School District / 34,419 |
| 52. | 8.0% | Lafayette Parish School District / 215,581 |
| 52. | 8.0% | Lincoln Parish School District / 45,797 |
| 54. | 7.9% | Assumption Parish School District / 23,487 |
| 55. | 7.5% | East Baton Rouge Parish School District / 372,692 |
| 56. | 7.2% | Ascension Parish School District / 102,501 |
| 57. | 7.0% | St. Helena Parish School District / 11,125 |
| 58. | 6.7% | Caddo Parish School District / 253,048 |
| 59. | 6.6% | Natchitoches Parish School District / 39,274 |
| 60. | 5.8% | Plaquemines Parish School District / 22,710 |
| 61. | 5.5% | Monroe City School District / 49,272 |
| 62. | 5.5% | St. Charles Parish School District / 52,645 |
| 63. | 5.3% | St. Bernard Parish School District / 27,739 |
| 64. | 5.0% | St. Landry Parish School District / 84,309 |
| 65. | 5.0% | St. James Parish School District / 22,096 |
| 66. | 4.9% | Iberville Parish School District / 33,513 |
| 67. | 4.3% | Jefferson Parish School District / 431,019 |
| 68. | 3.4% | St. John the Baptist Parish School District / 46,728 |
| 69. | 2.8% | Orleans Parish School District / 295,285 |
Please note that we only rank locations with 'United States American as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'United States American 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.
