| Rank | Land Area ▼ | School District / Population |
| 1. | 1,327.91 sq mi | Vernon Parish School District / 52,844 |
| 2. | 1,317.96 sq mi | Rapides Parish School District / 132,199 |
| 3. | 1,284.89 sq mi | Cameron Parish School District / 6,713 |
| 4. | 1,252.25 sq mi | Natchitoches Parish School District / 39,359 |
| 5. | 1,231.81 sq mi | Terrebonne Parish School District / 112,167 |
| 6. | 1,173.20 sq mi | Vermilion Parish School District / 58,784 |
| 7. | 1,157.34 sq mi | Beauregard Parish School District / 36,109 |
| 8. | 1,068.21 sq mi | Lafourche Parish School District / 97,235 |
| 9. | 1,063.66 sq mi | Calcasieu Parish School District / 194,943 |
| 10. | 950.09 sq mi | Winn Parish School District / 15,000 |
| 11. | 923.88 sq mi | St. Landry Parish School District / 83,518 |
| 12. | 878.54 sq mi | Caddo Parish School District / 255,529 |
| 13. | 876.99 sq mi | Union Parish School District / 22,623 |
| 14. | 875.58 sq mi | De Soto Parish School District / 26,968 |
| 15. | 866.66 sq mi | Sabine Parish School District / 24,286 |
| 16. | 845.55 sq mi | St. Tammany Parish School District / 239,814 |
| 17. | 840.06 sq mi | Bossier Parish School District / 121,918 |
| 18. | 832.43 sq mi | Avoyelles Parish School District / 41,604 |
| 19. | 811.27 sq mi | Bienville Parish School District / 14,122 |
| 20. | 794.93 sq mi | Morehouse Parish School District / 27,319 |
| 21. | 791.27 sq mi | Tangipahoa Parish School District / 124,125 |
| 22. | 779.91 sq mi | Plaquemines Parish School District / 23,545 |
| 23. | 761.85 sq mi | Allen Parish School District / 25,691 |
| 24. | 754.88 sq mi | Claiborne Parish School District / 16,817 |
| 25. | 737.65 sq mi | St. Martin Parish School District / 52,823 |
| 26. | 708.03 sq mi | Catahoula Parish School District / 10,273 |
| 27. | 696.92 sq mi | Concordia Parish School District / 20,609 |
| 28. | 662.38 sq mi | Evangeline Parish School District / 33,778 |
| 29. | 660.02 sq mi | Washington Parish School District / 34,652 |
| 30. | 655.12 sq mi | Acadia Parish School District / 62,031 |
| 31. | 651.33 sq mi | Jefferson Davis Parish School District / 31,492 |
| 32. | 648.17 sq mi | Livingston Parish School District / 132,160 |
| 33. | 643.03 sq mi | Grant Parish School District / 22,363 |
| 34. | 624.68 sq mi | La Salle Parish School District / 14,874 |
| 35. | 624.58 sq mi | Franklin Parish School District / 20,645 |
| 36. | 624.44 sq mi | Madison Parish School District / 12,008 |
| 37. | 618.63 sq mi | Iberville Parish School District / 33,375 |
| 38. | 602.78 sq mi | Tensas Parish School District / 5,008 |
| 39. | 593.03 sq mi | Webster Parish School District / 40,890 |
| 40. | 581.19 sq mi | Ouachita Parish School District / 105,830 |
| 41. | 574.11 sq mi | Iberia Parish School District / 73,735 |
| 42. | 569.18 sq mi | Jackson Parish School District / 16,199 |
| 43. | 559.04 sq mi | Richland Parish School District / 20,845 |
| 44. | 557.35 sq mi | Pointe Coupee Parish School District / 22,631 |
| 45. | 555.38 sq mi | St. Mary Parish School District / 53,784 |
| 46. | 529.42 sq mi | Caldwell Parish School District / 10,008 |
| 47. | 471.74 sq mi | Lincoln Parish School District / 47,243 |
| 48. | 453.41 sq mi | East Feliciana Parish School District / 19,964 |
| 49. | 420.70 sq mi | East Carroll Parish School District / 7,602 |
| 50. | 408.40 sq mi | St. Helena Parish School District / 10,937 |
| 51. | 403.21 sq mi | West Feliciana Parish School District / 15,485 |
| 52. | 389.09 sq mi | Red River Parish School District / 8,937 |
| 53. | 377.52 sq mi | St. Bernard Parish School District / 41,114 |
| 54. | 359.65 sq mi | West Carroll Parish School District / 11,522 |
| 55. | 338.66 sq mi | Assumption Parish School District / 23,170 |
| 56. | 298.92 sq mi | East Baton Rouge Parish School District / 378,390 |
| 57. | 295.63 sq mi | Jefferson Parish School District / 434,528 |
| 58. | 289.98 sq mi | Ascension Parish School District / 112,308 |
| 59. | 279.08 sq mi | St. Charles Parish School District / 52,616 |
| 60. | 268.72 sq mi | Lafayette Parish School District / 228,084 |
| 61. | 241.54 sq mi | St. James Parish School District / 21,782 |
| 62. | 213.07 sq mi | St. John the Baptist Parish School District / 44,570 |
| 63. | 192.39 sq mi | West Baton Rouge Parish School District / 24,347 |
| 64. | 169.42 sq mi | Orleans Parish School District / 368,471 |
| 65. | 84.22 sq mi | Zachary Community School District / 22,403 |
| 66. | 64.05 sq mi | Central Community School District / 29,021 |
| 67. | 29.21 sq mi | Monroe City School District / 49,455 |
| 68. | 9.50 sq mi | Bogalusa City School District / 12,071 |
| 69. | 8.19 sq mi | Baker City School District / 13,784 |
Please note that we only rank locations with 'Land Area' data. The rank above might not be a complete list. Locations without 'Land Area' data are not listed.
