Private School Review - Established 2003
A+ World Academy Photo - A+ World Academy's incredible campus, the historic ship Sørlandet.
A+ World Academy

Best California Private High Schools Belonging to Middle States Association of Colleges and Secondary Schools (2025-26)

For the 2025-26 school year, there are 3 private high schools belonging to Middle States Association of Colleges and Secondary Schools serving 124 students in California. You can also find more schools membership associations in California.
The top ranked private high school belonging to Middle States Association of Colleges and Secondary School in California is Lake Tahoe Preparatory School.
The average acceptance rate is 90%, which is higher than the California private high school average acceptance rate of 78%.

Top Ranked Private High Schools Belonging to Middle States Association of Colleges and Secondary Schools in California (2025-26)

School
Location
Quick Facts
Lake Tahoe Preparatory School
Lake Tahoe Preparatory School Photo - Lake Tahoe Prep is a coeducational boarding school for students in grades 9-12 located in Olympic Valley, California. With a student body of 70 and student to teacher ratio of 7:1, we lead a program built upon personalized attention. Our students benefit from our robust curriculum approved by the University of California.
Alternative School
255 Olympic Valley Road
Olympic Valley, CA 96146
(530) 583-8665
Gr: 9-12 | 40 students Avg. class size: 7 students Sports: 19 | Extracurrculars: 26 Tuition & acceptance rate listed
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
California University Preparatory School
(15)
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

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