| School Name | Street_Address | City | State |
| Idyllwild Arts Academy |
52500 Temecula Drive , P.O. Box 38
Map It |
Idyllwild | CA |
| Independent Day School |
P.O. Box 451 , 115 Laurel Brook Rd
Map It |
Middlefield | CT |
| Indian Mountain School |
211 Indian Mountain Road
Map It |
Lakeville | CT |
| Indian Springs School |
190 Woodward Drive
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Pelham | AL |
| Interlochen Arts Academy |
P.O. Box 199, 4000 Hwy M-137, 9900 Diamond Park Rd.
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Interlochen | MI |
| International High School |
150 Oak Street
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San Francisco | CA |
| International School of the Peninsula |
151 Laura Lane
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Palo Alto | CA |
| Iolani School |
563 Kamoku Street
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Honolulu | HI |
| Isidore Newman School |
1903 Jefferson Avenue
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New Orleans | LA |