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Alsion Middle/High School Top 13 ยท Highest Avg. ACT Score (CA)
St. Helena Montessori School And Farm

Best California Private High Schools Belonging to Association Montessori Internationale (AMI) (2026-27)

For the 2026-27 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 St. Helena Montessori School And Farm and Alsion Middle/High School.
The average acceptance rate is 93%, which is higher than the California private high school average acceptance rate of 78%.

Quick Facts (2026-27)

  • # Private Schools: 2

Quick Facts (2026-27)

  • # Private Schools: 2

Top Ranked Private High Schools Belonging to Association Montessori Internationale (AMI) in California (2026-27)

Alsion Middle/High School Photo
Alsion Middle/High School
Gr: 7-12 | 48 students
Avg. class size: 12 students
Extracurriculars: 12
Montessori School
750 Witherly Ln
Fremont, CA 94539
(510) 445-1127
(2)
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St. Helena Montessori School And Farm Photo
St. Helena Montessori School And Farm
Gr: PK-12 | 266 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 3
Montessori School
880 College Avenue
Saint Helena, CA 94574
(707) 963-1527
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Frequently Asked Questions

What are the top ranked private high schools belonging to Association Montessori Internationale (AMI) in California?
The top ranked private high schools belonging to Association Montessori Internationale (AMI) in California include St. Helena Montessori School And Farm and Alsion Middle/High School.
How many private high schools belonging to Association Montessori Internationale (AMI) are located in California?
2 private high schools belonging to Association Montessori Internationale (AMI) are located in California.
2
Private Schools
314
Students
$32,100
Avg. Tuition
11%
Students of Color
9:1
Student-Teacher Ratio

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