| Belmont Hill School 5/5 based on 1 student review(s) | Belmont | MA | 7th-12th | 9th-12th | Boys only | 420 | None |
| Berkshire School
| Sheffield | MA | 9th-PG | 9th-PG | Coed | 371 | None |
| Brooks School
| North Andover | MA | 9th-12th | 9th-12th | Coed | 370 | Episcopal |
| Cambridge School of Weston
| Weston | MA | 9th-12th | 9th-12th | Coed | 330 | None |
| Concord Academy 4.6/5 based on 2 student review(s) | Concord | MA | 9th-12th | 9th-12th | Coed | 363 | None |
| Cushing Academy 3.2/5 based on 1 student review(s) | Ashburnham | MA | 9th-PG | 9th-PG | Coed | 445 | None |
| Dana Hall School 4.6/5 based on 1 student review(s) | Wellesley | MA | 6th-12th | 9th-12th | Girls only | 460 | None |
| Deerfield Academy 4.5/5 based on 10 student review(s) | Deerfield | MA | 9th-PG | 9th-PG | Coed | 630 | None |
| Governor's Academy
| Byfield | MA | 9th-12th | 9th-12th | Coed | 372 | None |
| Groton School 4.5/5 based on 6 student review(s) | Groton | MA | 8th-12th | 8th-12th | Coed | 370 | Episcopal |
| Lawrence Academy
| Groton | MA | 9th-12th | 9th-12th | Coed | 398 | None |
| MacDuffie School
| Springfield | MA | 6th-12th | 9th-12th | Coed | 190 | None |
| Middlesex School 4.5/5 based on 4 student review(s) | Concord | MA | 9th-12th | 9th-12th | Coed | 394 | None |
| Milton Academy 4.6/5 based on 6 student review(s) | Milton | MA | K-12th | 9th-12th | Coed | 990 | None |
| Miss Hall's School
| Pittsfield | MA | 9th-PG | 9th-PG | Girls only | 195 | None |
| Noble and Greenough School 4.5/5 based on 2 student review(s) | Dedham | MA | 7th-12th | 9th-12th | Coed | 585 | None |
| Northfield Mount Hermon School 4.2/5 based on 9 student review(s) | Mount Hermon | MA | 9th-PG | 9th-PG | Coed | 650 | None |
| Phillips Academy Andover 4.7/5 based on 26 student review(s) | Andover | MA | 9th-PG | 9th-PG | Coed | 1109 | None |
| St. Mark's School 4.8/5 based on 1 student review(s) | Southborough | MA | 9th-12th | 9th-12th | Coed | 335 | Episcopal |
| Stoneleigh-Burnham School
| Greenfield | MA | 7th-PG | 7th-PG | Girls only | 125 | None |
| Tabor Academy 4.3/5 based on 3 student review(s) | Marion | MA | 9th-12th | 9th-12th | Coed | 505 | None |
| Wilbraham and Monson Academy
| Wilbraham | MA | 6th-12th | 9th-12th | Coed | 381 | None |
| Williston Northampton School
| Easthampton | MA | 7th-PG | 9th-PG | Coed | 540 | None |
| Winchendon School
| Winchendon | MA | 9th-12th | 9th-12th | Coed | 190 | None |
| Worcester Academy
| Worcester | MA | 6th-PG | 9th-PG | Coed | 655 | None |