Among "All Schools," view the twenty boarding schools with the "largest endowments." First, some important notes:
- Boarding schools that have larger students bodies or older histories are more likely to have larger endowments than other schools (since they have had more alumni over the years to donate funds).
- Schools with lower endowments still often have excellent facilities and resources for students, but simply have not yet had the time or alumni base to build up endowments equivalent to older, larger schools.
- Endowment per student is another metric for comparing endowments between schools of different size. Smaller schools can often have a larger endowment per student figure than larger schools.
| Sorted by range (alphabetically within range) | * Indicates Boarding Grades Offered | ||
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| 1. Phillips Exeter Academy | Co-Ed | 9-12, PG | $1,000 M |
| 2. Phillips Academy Andover | Co-Ed | 9-12, PG | $770 M |
| 3. St. Paul's School | Co-Ed | 9-12 | $442 M |
| 4. The Hotchkiss School | Co-Ed | 9-12, PG | $382 M |
| 5. Deerfield Academy | Co-Ed | 9-12, PG | $325 M |
| 6. Peddie School | Co-Ed | 9-12, PG | $300 M |
| 7. Groton School | Co-Ed | 8-12 | $224 M |
| 8. Choate Rosemary Hall | Co-Ed | 9-12, PG | $217 M |
| 9. Woodberry Forest School | All-Boys | 9-12 | $203 M |
| 10. Lawrenceville School | Co-Ed | 9-12, PG | $200 M |
| 11. Cranbrook Schools | Co-Ed | 9-12 | $191 M |
| 12. Culver Academies | Co-Ed | 9-12 | $182 M |
| 13. The Loomis Chaffee School | Co-Ed | 9-12, PG | $161 M |
| 14. Mercersburg Academy | Co-Ed | 9-12, PG | $160 M |
| 15. St. Andrew's School, DE | Co-Ed | 9-12 | $155 M |
| 16. Milton Academy | Co-Ed | 9-12 | $153 M |
| 17. CFS, The School at Church Farm | All-Boys | 7-12 | $150 M |
| 18. Episcopal High School | Co-Ed | 9-12 | $132 M |
| 19. St. Mark's School | Co-Ed | 9-12 | $130 M |
| 20. Middlesex School | Co-Ed | 9-12 | $125 M |
| Sorted by range (alphabetically within range) | * Indicates Boarding Grades Offered | ||
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| 21. Hill School | Co-Ed | 9-12, PG | $120 M |
| 22. St. George's School | Co-Ed | 9-12 | $115 M |
| 23. The Thacher School | Co-Ed | 9-12 | $110 M |
| 24.-25. The Hockaday School | All-Girls | 8-12 | $92 M |
| 24.-25. Western Reserve Academy | Co-Ed | 9-12, PG | $92 M |
| 26. Baylor School | Co-Ed | 9-12 | $90 M |
| 27. Westminster School | Co-Ed | 9-12, PG | $80 M |
| 28.-29. George School | Co-Ed | 9-12 | $77 M |
| 28.-29. Miss Porter's School | All-Girls | 9-12 | $77 M |
| 30.-31. Berkshire School | Co-Ed | 9-12, PG | $76 M |
| 30.-31. Emma Willard School | All-Girls | 9-12, PG | $76 M |
| 32. Rabun Gap-Nacoochee School | Co-Ed | 7-12 | $74 M |
| 33. Cate School | Co-Ed | 9-12 | $70 M |
| 34.-35. Kent School | Co-Ed | 9-12, PG | $64 M |
| 34.-35. McCallie School | All-Boys | 9-12 | $64 M |
| 36. The Governor's Academy (formerly Governor Dummer Academy) | Co-Ed | 9-12 | $62 M |
| 37. Blair Academy | Co-Ed | 9-12, PG | $61 M |
| 38. Westtown School | Co-Ed | 9-12 | $60 M |
| 39. Brooks School | Co-Ed | 9-12 | $56 M |
| 40.-41. The Madeira School | All-Girls | 9-12 | $55 M |
| 40.-41. Woodside Priory School (The Priory) | Co-Ed | 9-12 | $55 M |
| 42. Riverside Military Academy | All-Boys | 7-12, PG | $53 M |
| 43. Brenau Academy | All-Girls | 9-12, PG | $50 M |
| 44. Darlington School | Co-Ed | 9-12, PG | $48 M |
| 45.-47. Holderness School | Co-Ed | 9-12, PG | $45 M |
| 45.-47. St. Albans School | All-Boys | 9-12 | $45 M |
| 45.-47. Wyoming Seminary Upper School | Co-Ed | 9-12, PG | $45 M |
| 48. Missouri Military Academy | All-Boys | 6-12, PG | $43 M |
| 49. The Williston Northampton School | Co-Ed | 9-12, PG | $42 M |
| 50.-51. Pomfret School | Co-Ed | 9-12, PG | $40 M |
| 50.-51. Salisbury School | All-Boys | 9-12, PG | $40 M |
| 52. Concord Academy | Co-Ed | 9-12 | $39 M |
| 53.-55. Garrison Forest School | All-Girls | 8-12 | $36 M |
| 53.-55. Portsmouth Abbey School | Co-Ed | 9-12 | $36 M |
| 53.-55. Tallulah Falls School | Co-Ed | 7-12 | $36 M |
| 56. Avon Old Farms School | All-Boys | 9-12, PG | $35 M |
| 57. Westover School | All-Girls | 9-12 | $33 M |
| 58. Fountain Valley School of Colorado | Co-Ed | 9-12 | $32 M |
| 59. New Mexico Military Institute | Co-Ed | 9-12, PG | $31 M |
| 60.-62. Asheville School | Co-Ed | 9-12 | $30 M |
| 60.-62. Fay School | Co-Ed | 6-9 | $30 M |
| 60.-62. Trinity Pawling School | All-Boys | 9-12, PG | $30 M |
| 63.-64. Suffield Academy | Co-Ed | 9-12, PG | $29 M |
| 63.-64. Tabor Academy | Co-Ed | 9-12 | $29 M |
| 65.-66. The Masters School | Co-Ed | 9-12 | $27 M |
| 65.-66. Santa Catalina School | All-Girls | 9-12 | $27 M |
| 67.-68. Foxcroft School | All-Girls | 9-12 | $25 M |
| 67.-68. Ridley College | Co-Ed | Pre-K-12, PG | $25 M |
| 69.-71. The Pennington School | Co-Ed | 7-12 | $24 M |
| 69.-71. Proctor Academy | Co-Ed | 9-12, PG | $24 M |
| 69.-71. Stevenson School | Co-Ed | 9-12 | $24 M |
| 72.-74. Dana Hall School | All-Girls | 9-12 | $22 M |
| 72.-74. Millbrook School | Co-Ed | 9-12, PG | $22 M |
| 72.-74. The Webb Schools | Co-Ed | 9-12 | $22 M |
| 75.-79. Fork Union Military Academy | All-Boys | 6-12, PG | $21 M |
| 75.-79. The Gunnery | Co-Ed | 9-12, PG | $21 M |
| 75.-79. Hawaii Preparatory Academy | Co-Ed | 6-12, PG | $21 M |
| 75.-79. Lake Forest Academy | Co-Ed | 9-12, PG | $21 M |
| 75.-79. St. Andrew's College | All-Boys | 6-12 | $21 M |
| 80.-84. Canterbury School | Co-Ed | 9-12, PG | $20 M |
| 80.-84. Chatham Hall | All-Girls | 9-12 | $20 M |
| 80.-84. Georgetown Preparatory School | All-Boys | 9-12 | $20 M |
| 80.-84. Saint James School | Co-Ed | 8-12 | $20 M |
| 80.-84. The Winchendon School | Co-Ed | 9-12, PG | $20 M |
| 85.-86. St. Andrew's School - RI | Co-Ed | 9-12 | $19 M |
| 85.-86. The Webb School | Co-Ed | 7-12, PG | $19 M |
| 87.-90. Cushing Academy | Co-Ed | 9-12, PG | $18 M |
| 87.-90. Howe Military School & Summer Camp | Co-Ed | 5-12 | $18 M |
| 87.-90. Indian Springs School | Co-Ed | 9-12 | $18 M |
| 87.-90. Oregon Episcopal School | Co-Ed | 9-12 | $18 M |
| 91. The Linsly School | Co-Ed | 7-12 | $17 M |
| 92.-93. Tilton School | Co-Ed | 9-12, PG | $16 M |
| 92.-93. Virginia Episcopal School | Co-Ed | 9-12 | $16 M |
| 94.-98. Annie Wright School | All-Girls | 9-12 | $15 M |
| 94.-98. Hebron Academy | Co-Ed | 9-12, PG | $15 M |
| 94.-98. The Putney School | Co-Ed | 9-12, PG | $15 M |
| 94.-98. Shattuck-St. Mary's School | Co-Ed | 6-12, PG | $15 M |
| 94.-98. Southwestern Academy | Co-Ed | 7-12, PG | $15 M |
| 99.-100. The Ethel Walker School | All-Girls | 9-12 | $14 M |
| 99.-100. Miller School | Co-Ed | 8-12, PG | $14 M |
| 101.-107. Cardigan Mountain School | All-Boys | 6-9 | $13 M |
| 101.-107. Colorado Rocky Mountain School | Co-Ed | 9-12 | $13 M |
| 101.-107. Havergal College | All-Girls | 9-12 | $13 M |
| 101.-107. Lawrence Academy | Co-Ed | 9-12 | $13 M |
| 101.-107. Massanutten Military Academy | Co-Ed | 7-12, PG | $13 M |
| 101.-107. St. Johnsbury Academy | Co-Ed | 9-12, PG | $13 M |
| 101.-107. The Stony Brook School | Co-Ed | 7-12 | $13 M |
| 108.-111. Andrews Osborne Academy | Co-Ed | 7-12 | $12 M |
| 108.-111. The Hun School of Princeton | Co-Ed | 9-12, PG | $12 M |
| 108.-111. Miss Hall's School | All-Girls | 9-12, PG | $12 M |
| 108.-111. Oldfields School | All-Girls | 8-12, PG | $12 M |
| 112.-115. The Bishop Strachan School | All-Girls | 7-12 | $11 M |
| 112.-115. The Bolles School | Co-Ed | 7-12, PG | $11 M |
| 112.-115. New Hampton School | Co-Ed | 9-12, PG | $11 M |
| 112.-115. The Rectory School | Co-Ed | 5-9 | $11 M |
| 116.-123. Blue Ridge School | All-Boys | 9-12 | $10 M |
| 116.-123. Christ School | All-Boys | 8-12 | $10 M |
| 116.-123. The Kiski School | All-Boys | 9-12, PG | $10 M |
| 116.-123. Landmark School | Co-Ed | 9-12 | $10 M |
| 116.-123. Northwood School | Co-Ed | 9-12, PG | $10 M |
| 116.-123. Saint Andrew's School | Co-Ed | 9-12 | $10 M |
| 116.-123. St. Thomas More School | All-Boys | 8-12, PG | $10 M |
| 116.-123. Thornton Academy | Co-Ed | 9-12 | $10 M |
| 124.-129. Brewster Academy | Co-Ed | 9-12, PG | $9 M |
| 124.-129. Grier School | All-Girls | 6-12, PG | $9 M |
| 124.-129. Midland School | Co-Ed | 9-12 | $9 M |
| 124.-129. Saint John's Preparatory School | Co-Ed | 9-12, PG | $9 M |
| 124.-129. St. Timothy's School | All-Girls | 9-12, PG | $9 M |
| 124.-129. Wayland Academy | Co-Ed | 9-12 | $9 M |
| 130.-138. Cheshire Academy | Co-Ed | 9-12, PG | $8 M |
| 130.-138. Fryeburg Academy | Co-Ed | 9-12, PG | $8 M |
| 130.-138. Gould Academy | Co-Ed | 9-12, PG | $8 M |
| 130.-138. Hyde-Woodstock | Co-Ed | 9-12, PG | $8 M |
| 130.-138. Montverde Academy | Co-Ed | 7-12, PG | $8 M |
| 130.-138. North Country School | Co-Ed | 4-9 | $8 M |
| 130.-138. St. Andrew's-Sewanee School | Co-Ed | 9-12 | $8 M |
| 130.-138. St. Stephen's Episcopal School | Co-Ed | 8-12 | $8 M |
| 130.-138. Shawnigan Lake School | Co-Ed | 8-12 | $8 M |
| 139.-140. The Gow School | All-Boys | 7-12, PG | $7 M |
| 139.-140. Vermont Academy | Co-Ed | 9-12, PG | $7 M |
| 141.-146. Ashbury College | Co-Ed | 9-12 | $6 M |
| 141.-146. Foxcroft Academy | Co-Ed | 9-12, PG | $6 M |
| 141.-146. Hyde-Bath | Co-Ed | 9-12, PG | $6 M |
| 141.-146. St. John's Northwestern Military Academy | All-Boys | 7-12, PG | $6 M |
| 141.-146. Salem Academy | All-Girls | 9-12 | $6 M |
| 141.-146. South Kent School | All-Boys | 9-12, PG | $6 M |
| 147.-196. Brentwood College School | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. The Cambridge School of Weston | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Eagle Hill School | Co-Ed | 8-12 | <$5 M |
| 147.-196. The Forman School | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Kents Hill School | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Purnell School | All-Girls | 9-12 | <$5 M |
| 147.-196. St. Margaret's School | All-Girls | 8-12 | <$5 M |
| 147.-196. San Domenico School | All-Girls | 9-12 | <$5 M |
| 147.-196. San Marcos Baptist Academy | Co-Ed | 7-12 | <$5 M |
| 147.-196. Wentworth Military Academy & College | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Wilbraham & Monson Academy | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Bement School | Co-Ed | 3-9 | <$5 M |
| 147.-196. Bridgton Academy | All-Boys | 12-12, PG | <$5 M |
| 147.-196. Dunn School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Hargrave Military Academy | All-Boys | 7-12, PG | <$5 M |
| 147.-196. Hillside School | All-Boys | 5-9 | <$5 M |
| 147.-196. Perkiomen School | Co-Ed | 7-12, PG | <$5 M |
| 147.-196. The Athenian School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Idyllwild Arts Academy | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. New York Military Academy | Co-Ed | 7-12, PG | <$5 M |
| 147.-196. Oakwood Friends School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Randolph-Macon Academy | Co-Ed | 6-12, PG | <$5 M |
| 147.-196. Scattergood Friends School | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Solebury School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Stuart Hall School | Co-Ed | 8-12 | <$5 M |
| 147.-196. Subiaco Academy | All-Boys | 8-12 | <$5 M |
| 147.-196. West Nottingham Academy | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Admiral Farragut Academy | Co-Ed | 6-12 | <$5 M |
| 147.-196. Besant Hill School (Formerly Happy Valley School) | Co-Ed | 9-12 | <$5 M |
| 147.-196. Christchurch School | All-Boys | 9-12, PG | <$5 M |
| 147.-196. Darrow School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Dublin School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Linden Hall | All-Girls | 6-12, PG | <$5 M |
| 147.-196. St. Anne's-Belfield School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Stoneleigh-Burnham School | All-Girls | 7-12, PG | <$5 M |
| 147.-196. Verde Valley School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Buxton School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Chapel Hill-Chauncy Hall | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Hampshire Country School | All-Boys | 3-12 | <$5 M |
| 147.-196. High Mowing School | Co-Ed | 9-12 | <$5 M |
| 147.-196. Hoosac School | Co-Ed | 8-12, PG | <$5 M |
| 147.-196. The Knox School | Co-Ed | 7-12 | <$5 M |
| 147.-196. Lowell Whiteman School | Co-Ed | 9-12 | <$5 M |
| 147.-196. The Marvelwood School | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. Oak Hill Academy | Co-Ed | 8-12 | <$5 M |
| 147.-196. Olney Friends School | Co-Ed | 9-12 | <$5 M |
| 147.-196. The Storm King School | Co-Ed | 8-12 | <$5 M |
| 147.-196. Thomas Jefferson School | Co-Ed | 7-12, PG | <$5 M |
| 147.-196. Wasatch Academy | Co-Ed | 9-12, PG | <$5 M |
| 147.-196. The White Mountain School | Co-Ed | 9-12, PG | <$5 M |
• View all schools sorted by "endowment size"















