Private School Review - Established 2003
Louisville High School
Mayfield Senior School Top 22 ยท Most AP Courses (CA)
Marymount High School Los Angeles

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

For the 2026-27 school year, there are 16 private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) serving 5,099 students in California. You can also find more schools membership associations in California.
The top ranked private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California include Westridge School, Marlborough School, and Mayfield Senior School.
The average tuition cost is $37,934, which is higher than the California private school average tuition cost of $17,528.
44% of private 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: 16

Quick Facts (2026-27)

  • # Private Schools: 16

Top Ranked Private 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)
View Profile
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)
View Profile
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)
View Profile
Julia Morgan School For Girls Photo
Julia Morgan School For Girls
Gr: 6-8 | 132 students
Avg. class size: 22 students
Sports: 5 | Extracurriculars: 5
All-girls
5000 MacArthur Boulevard
Oakland, CA 94613
(510) 632-6000
(1)
View Profile
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)
View Profile
Map of The Hamlin School
The Hamlin School
Gr: K-8 | 441 students
Avg. class size: 24 students
Sports: 5 | Extracurriculars: 5
All-girls
2120 Broadway
San Francisco, CA 94115
(415) 922-0300
View Profile
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)
View Profile
Katherine Delmar Burke School (Burke's) Photo
Katherine Delmar Burke School (Burke's)
Gr: K-8 | 404 students
Sports: 5
All-girls
7070 California Street
San Francisco, CA 94121
(415) 751-0177
View Profile
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
View Profile
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)
View Profile
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)
View Profile
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)
View Profile
Map of Childtime Learning Center
Childtime Learning Center
Gr: PK-K | 34 students
Daycare / Preschool
13881 Prospect Ave
Santa Ana, CA 92705
(714) 544-6820
View Profile
Map of The Girls' Middle School
The Girls' Middle School
Gr: 6-8 | 198 students
Avg. class size: 18 students
Sports: 10 | Extracurriculars: 3
All-girls | Alternative School
3400 West Bayshore Road
Palo Alto, CA 94303
(650) 968-8338
(7)
View Profile
Map of Saybrook Learning Center
Saybrook Learning Center
Gr: NS-PK | 12 students
Daycare / Preschool
20375 Wisteria St
Castro Valley, CA 94546
(510) 581-2340
View Profile

Frequently Asked Questions

What are the top ranked private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California?
The top ranked private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California include Westridge School, Marlborough School, and Mayfield Senior School.
How many private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are located in California?
16 private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are located in California.
How much do private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) cost in California?
The average tuition cost is $37,934, which is higher than the California private school average tuition cost of $17,528.
How diverse are private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California?
California private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are approximately 53% minority students, which is higher than the California private school average of 52%.
What percentage of private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) are religiously affiliated in California?
44% of private schools belonging to International Coalition of Girls' Schools (formerly NCGS) (ICGS) in California are religiously affiliated (most commonly Catholic and Jewish).
16
Private Schools
5,099
Students
$37,934
Avg. Tuition
53%
Students of Color
7:1
Student-Teacher Ratio

Recent Articles

Who Handles Medication at a Private School?
Who Handles Medication at a Private School?
Learn who handles student medication at private schools, what policies families should review, and which questions parents should ask about prescriptions, emergencies, storage, documentation, and daily administration.
Does Your Child Need a School With a Full-Time Nurse?
Does Your Child Need a School With a Full-Time Nurse?
Learn when a full-time school nurse matters, how private schools handle medications, chronic conditions and emergencies, and which health-service questions parents should ask before enrolling their child.
The Course Availability Test: Are Classes Really Offered?
The Course Availability Test: Are Classes Really Offered?
Learn how to verify whether private school catalog courses are actually offered each year, identify scheduling limitations, and ask better questions before choosing a school for your child today.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (CA):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

How Private Schools Handle Mid-Year Enrollment Changes and Tuition Refunds
How Private Schools Handle Mid-Year Enrollment Changes and Tuition Re...
 Why Private School?
Why Private School?
California Private Schools By Tuition Cost
California Private Schools By Tuition Cost

More Articles

Leadership in Private Education
Timeless School Insights
Pathways to Elite Colleges
Global Educator Empowerment
Expert School Views