Private School Review - Established 2003
St. Helena Montessori School And Farm
Alsion Middle/High School Top 15 ยท Highest Avg. ACT Score (CA)

California Private High Schools Belonging to Association Montessori Internationale (AMI)

For the 2026-27 school year, there are 3 private high schools belonging to Association Montessori Internationale (AMI) serving 314 students in California.
The average acceptance rate is 93%, which is higher than the California private high school average acceptance rate of 81%.
The top ranked private high school belonging to Association Montessori Internationale (AMI) in California is Alsion Middle/High School.
These schools make up under 1% of the 1,120 private schools in California and under 1% of its 272,580 private school students.

Quick Facts (26-27)

  • # Private Schools: 3

Quick Facts (26-27)

  • # Private Schools: 3

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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Map of Pacific Rim International School
Pacific Rim International School
Gr: NS-12 | 115 students
Montessori School
2600 Campus Dr
San Mateo, CA 94403
(650) 685-1881
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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 is Alsion Middle/High School.
How many private high schools belonging to Association Montessori Internationale (AMI) are located in California?
3 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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