| School Name | Street_Address | City | State |
| Hackley School |
293 Benedict Avenue
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Tarrytown | NY |
| Hamden Hall Country Day School |
1108 Whitney Avenue
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Hamden | CT |
| Hamlin School |
2120 Broadway
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San Francisco | CA |
| Hammond School |
854 Galway Lane
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Columbia | SC |
| Hanalani Schools |
94-294 Anania Drive
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Mililani | HI |
| Harbor Country Day School |
17 Three Sisters Road
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St. James | NY |
| Harker School |
500 Saratoga Avenue
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San Jose | CA |
| Harvard Westlake School Top 25 | Studio City | CA | |
| Haverford School |
450 Lancaster Avenue
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Haverford | PA |
| Hawaii Baptist Academy |
2429 Pali Highway
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Honolulu | HI |
| Hawaii Preparatory Academy |
65-1692 Kohala Mountain Road
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Kamuela | HI |
| Hebron Academy |
P.O. Box 309, 339 Paris Road
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Hebron | ME |
| High Mowing School |
222 Isaac Frye Highway
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Wilton | NH |
| Highland School |
597 Broadview Avenue
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Warrenton | VA |
| Hill School |
P.O. Box 65, , 130 S. Madison Street
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Middleburg | VA |
| Hillside School |
404 Robin Hill Road
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Marlborough | MA |
| Holderness School |
Chapel Lane, P.O. Box 1879
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Plymouth | NH |
| Holton-Arms School |
7303 River Road
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Bethesda | MD |
| Holy Innocents' Episcopal School |
805 Mt. Vernon Highway, NW
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Atlanta | GA |
| Holy Nativity School |
5286 Kalanianaole Highway
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Honolulu | HI |
| Holy Trinity Episcopal Academy |
50 W. Strawbridge Ave.
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Melbourne | FL |
| Hoosac School |
14 Pine Valley Road, PO Box 9
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Hoosick | NY |
| Hopkins School Top 25 |
986 Forest Road
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New Haven | CT |
| Horace Mann School Top 25 |
231 West 246th Street
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Bronx | NY |
| Hotchkiss School Top 25 |
11 Interlaken Road
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Lakeville | CT |
| Houghton Academy |
9790 Thayer Street
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Houghton | NY |
| Hyde School |
150 Route 169, P.O. Box 237
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Woodstock | CT |
| Hyde School |
616 High Street
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Bath | ME |