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 104 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 92%, 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 small student body 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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