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Best California Private High Schools Belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) (2026-27)

For the 2026-27 school year, there are 10 private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) serving 3,878 students in California. You can also find more schools membership associations in California.
The top ranked private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California include Marlborough School, Ramona Convent Secondary School, and Westridge School.
The average acceptance rate is 88%, which is higher than the California private high school average acceptance rate of 81%.
70% of private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California are religiously affiliated (most commonly Catholic and Jewish).

Quick Facts (2026-27)

  • # Private Schools: 10

Quick Facts (2026-27)

  • # Private Schools: 10

Top Ranked Private High Schools Belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California (2026-27)

Louisville High School Photo
Louisville High School
Gr: 9-12 | 343 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 28
All-girls (Catholic)
22300 Mulholland Drive
Woodland Hills, CA 91364
(818) 346-8812
(19)
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Mayfield Senior School Photo
Mayfield Senior School
Gr: 9-12 | 304 students
Avg. class size: 16 students
Sports: 14 | Extracurriculars: 9
All-girls (Catholic)
500 Bellefontaine St
Pasadena, CA 91105
(626) 799-9121
(2)
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Westridge School Photo
Westridge School
Gr: 4-12 | 550 students
Avg. class size: 15 students
Sports: 16 | Extracurriculars: 48
All-girls
324 Madeline Dr
Pasadena, CA 91105
(626) 799-1153
(4)
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Map of Archer School For Girls
Archer School For Girls
Gr: 6-12 | 436 students
All-girls
11725 W Sunset Blvd
Los Angeles, CA 90049
(310) 873-7020
(3)
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Hebrew Academy Photo
Hebrew Academy
Gr: PK-12 | 285 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 2
Jewish
14401 Willow Lane
Huntington Beach, CA 92647
(714) 898-0051
(3)
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Map of Marlborough School
Marlborough School
Gr: 7-12 | 583 students
Avg. class size: 14 students
Sports: 13
All-girls | Specialized Curriculum
250 S Rossmore Ave
Los Angeles, CA 90004
(323) 935-1147
View Profile
Marymount High School Los Angeles Photo
Marymount High School Los Angeles
Gr: 9-12 | 345 students
Avg. class size: 14 students
Sports: 13 | Extracurriculars: 17
All-girls (Catholic)
10643 Sunset Blvd
Los Angeles, CA 90077
(310) 472-1205
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Presentation High School Photo
Presentation High School
Gr: 9-12 | 550 students
Avg. class size: 22 students
Sports: 16 | Extracurriculars: 46
All-girls (Catholic)
2281 Plummer Avenue
San Jose, CA 95125
(408) 264-1664
(1)
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Ramona Convent Secondary School Photo
Ramona Convent Secondary School
Gr: 9-12 | 282 students
Avg. class size: 18 students
Sports: 9 | Extracurriculars: 28
All-girls (Catholic)
1701 W Ramona Road
Alhambra, CA 91803
(626) 282-4151
(1)
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Santa Catalina School Photo
Santa Catalina School
Gr: 9-12 | 200 students
Avg. class size: 12 students
Sports: 17 | Extracurriculars: 40
All-girls (Catholic)
1500 Mark Thomas Dr.
Monterey, CA 93940
(831) 655-9300
(6)
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Frequently Asked Questions

What are the top ranked private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California?
The top ranked private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California include Marlborough School, Ramona Convent Secondary School, and Westridge School.
How many private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are located in California?
10 private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are located in California.
How diverse are private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California?
California private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are approximately 58% minority students, which is higher than the California private school average of 50%.
What percentage of private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are religiously affiliated in California?
70% of private high schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California are religiously affiliated (most commonly Catholic and Jewish).
10
Private Schools
3,878
Students
$35,442
Avg. Tuition
58%
Students of Color
7:1
Student-Teacher Ratio

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