ISI Academy Photo - The courtyard separates the dormitories and gives students a quiet place to converse. Students reside in one of three dormitories on campus. The new dormitory uses south-facing solar panels to take full advantage of the average 300 days of sunshine to reduce our environmental footprint.

Best California Private High Schools Belonging to Middle States Association of Colleges and Secondary Schools (2026)

For the 2026 school year, there are 3 private high schools belonging to Middle States Association of Colleges and Secondary Schools serving 104 students in California. You can also find more schools membership associations in California.
The average acceptance rate is 92%, which is higher than the California private high school average acceptance rate of 78%.

Private High Schools Belonging to Middle States Association of Colleges and Secondary Schools in California (2026)

School
Location
Quick Facts
A+ World Academy
A+ World Academy Photo - A+ World Academy's incredible campus, the historic ship Sørlandet.
International (Swiss and Norwegian Headquarters).
San Diego, CA 03007
(407) 766-6369
Gr: 11-12 | 60 students Avg. class size: 12 students Sports: 5 | Extracurrculars: 8 Tuition listed
18760 Colima Rd
Rowland Heights, CA 91748
(626) 964-9588
Gr: 7-12 | 4 students Avg. class size: 10 students Extracurrculars: 8 Tuition & acceptance rate listed
ISI Academy
ISI Academy Photo - Students may ski or snowboard six days a week during the winter months. ISI Academy Olympic Valley is located 1 mile from Palisade Ski Resort. Students may elect to participate on their ski team.
Special Program Emphasis
255 Olympic Valley Road
Olympic Valley, CA 96146
(530) 583-8665
Gr: 5-12 | 40 students Avg. class size: 7 students Sports: 11 | Extracurrculars: 16 Tuition & acceptance rate listed

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