- Asia Pacific International School
- Cheshire Academy
- EF Academy New York
- Emma Willard School
- Flintridge Sacred Heart Academy
- Grier School
- Hawai’I Preparatory School
- Hebron Academy
- John Bapst Memorial High School
- King’s Academy
- Lexington Christian Academy
- ‘Iolani School
- North Country School
- Oldfields School
- Oregon Episcopal School
- Ross School
- Stoneleigh-Burnham School
- St.Stephen’s Episcopal School
- The Athenian School
- The Kiski School
- Trinity-Pawling School
- UWC Changshu China
- Washington Academy
- Wyoming Seminary