Alsion Middle/High School Photo - Alsion School is a non-profit Montessori based program that serves grades 7-12 in the Mission area of Fremont, CA.

Best California Private High Schools Belonging to Association Montessori Internationale (AMI) (2025-26)

For the 2025-26 school year, there are 2 private high schools belonging to Association Montessori Internationale (AMI) serving 314 students in California. You can also find more schools membership associations in California.
The top ranked private high schools belonging to Association Montessori Internationale (AMI) in California include Alsion Middle/High School and St. Helena Montessori School And Farm.
The average acceptance rate is 93%, which is higher than the California private high school average acceptance rate of 78%.

Top Ranked Private High Schools Belonging to Association Montessori Internationale (AMI) in California (2025-26)

School
Location
Quick Facts
Alsion Middle/High School
Alsion Middle/High School Photo - Alsion School is a non-profit Montessori based program that serves grades 7-12 in the Mission area of Fremont, CA.
Montessori School
(2)
750 Witherly Ln
Fremont, CA 94539
(510) 445-1127
Gr: 7-12 | 48 students Avg. class size: 12 students Extracurrculars: 12 Tuition & acceptance rate listed
St. Helena Montessori School And Farm
St. Helena Montessori School And Farm Photo - St. Helena Montessori 880 College Ave. St. Helena Ca. 94574
Montessori School
880 College Avenue
Saint Helena, CA 94574
(707) 963-1527
Gr: PK-12 | 266 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 3

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