| School | State | Tuition fees | # of student | International Students | SAT | |
|---|---|---|---|---|---|---|
| 9-12, PG | The Hotchkiss School | Connecticut, US |
$72,620 | 603 | 13% | 1431 |
| 7-12 | Houghton Academy | New York, US |
$38,000 | 145 | 54% | 1225 |
| 9-12, PG | The Hun School of Princeton | New Jersey, US |
$73,700 | 691 | 17% | 1271 |
| 9-12, PG | Hyde School | Maine, US |
$68,300 | 150 | 48% | 1180 |
| 8-12 | Indian Springs School | Alabama, US |
$70,800 | 340 | 19% | 1430 |
| 9-12 | Kents Hill School | Maine, US |
$69,500 | 207 | 25.9% | 1109 |
| 6-12 | Linden Hall School for Girls | Pennsylvania, US |
$67,510 | 115 | 43% | 1270 |
| 9-12 | Steamboat Mountain School | Colorado, US |
$70,700 | 68 | 5% | 1197 |
| 9-12 | Lustre Christian High School | Montana, US |
$17,500 | 32 | 5% | -- |
| 6-12, PG | The MacDuffie School | Massachusetts, US |
$63,075 | 196 | 65% | 1322 |
| 9-12 | The Madeira School | Virginia, US |
$71,600 | 338 | 13% | -- |
| 9-12, PG | Marvelwood School | Connecticut, US |
$70,500 | 120 | 15% | 1204 |
| 5-12, PG | Massanutten Military Academy | Virginia, US |
$50,850 | 115 | 22% | 1230 |
| 9-12 | The Masters School | New York, US |
$79,750 | 675 | 41% | 1380 |
| 9-12 | McCallie School | Tennessee, US |
$77,230 | 992 | 19% | 1260 |
| 9-12, PG | Mercersburg Academy | Pennsylvania, US |
$75,500 | 447 | 20% | 1388 |
| 9-12 | Middlesex School | Massachusetts, US |
$72,050 | 415 | 12% | 1470 |
| 9-12 | Midland School | California, US |
$81,900 | 80 | 15% | 1190 |
| 9-12 | Millbrook School | New York, US |
$82,000 | 330 | 13% | 1490 |
| 8-12, PG | Miller School of Albemarle | Virginia, US |
$68,600 | 238 | 20% | 1277 |