Vermont Christian School Photo - Leadership training with international students creates a wonderful environment for learning.

Best California Montessori Private High Schools (2026)

For the 2026 school year, there are 10 montessori private high schools serving 1,296 students in California.
The top-ranked montessori private high schools in California include The Waldorf School Of San Diego, Stockton Accelerated Institute, and Bowman School.
The average acceptance rate is 90%, which is higher than the California private high school average acceptance rate of 78%.
40% of montessori private high schools in California are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked California Montessori Private High Schools (2026)

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
Bowman School
Bowman School Photo
Montessori School
(1)
4000 Terman Drive
Palo Alto, CA 94306
(650) 813-9131
Gr: NS-12 | 265 students Avg. class size: 24 students Sports: 8 | Extracurrculars: 3 Tuition 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
Stockton Accelerated Institute
Stockton Accelerated Institute Photo - Work hard, play hard. #PElife
Montessori School
(2)
116 W Willow St
Stockton, CA 95202
(209) 649-9651
Gr: K-12 | 60 students Avg. class size: 6 students Extracurrculars: 2
The Waldorf School Of San Diego
The Waldorf School Of San Diego Photo - Phenomenological science keep those High Schoolers' interested!
Montessori School
(7)
3547 Altadena Ave.
San Diego, CA 92105
(619) 280-8016
Gr: NS-12 | 304 students Avg. class size: 22 students Sports: 18 | Extracurrculars: 4 Tuition & acceptance rate listed
Gardena Academy
Montessori School
16219 S Western Avenue
Gardena, CA 90247
(310) 532-4850
Gr: 1-11 | 19 students
Holy Family Institute
Montessori School (Catholic)
19240 Huntington St
Huntington Beach, CA 92648
(657) 204-6730
Gr: 1-12 | 23 students
Santa Cruz Montessori School
Santa Cruz Montessori School Photo - Primary Class
Montessori School
6230 Soquel Dr
Aptos, CA 95003
(831) 476-1646
Gr: PK-9 | 247 students Avg. class size: 21 students Tuition listed
Valley Of The Sacred Heart Academy
Montessori School (Catholic)
210 Peters Ave
Dixon, CA 95620
(530) 574-0804
Gr: K-11 | 34 students
Vermont Christian School
Vermont Christian School Photo - Two of our 2025 graduates.
Montessori School (Christian)
25500 S. Vermont Avenue
Harbor City, CA 90710
(310) 534-0260
Gr: K-12 | 30 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 4 Tuition & acceptance rate listed

Frequently Asked Questions

What are the top-ranked montessori private high schools in California?
The top-ranked montessori private high schools in California include The Waldorf School Of San Diego, Stockton Accelerated Institute, and Bowman School.
How many montessori private high schools are located in California?
10 montessori private high schools are located in California.
How diverse are montessori private high schools in California?
California montessori private high schools are approximately 27% minority students, which is lower than the California private school average of 49%.
What percentage of montessori private high schools are religiously affiliated in California?
40% of montessori private high schools in California are religiously affiliated (most commonly Catholic and Christian).

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