Private School Review - Established 2003
St. Joachim Elementary School
Heritage Montessori School of Newport Beach - Costa Mesa

East Side Costa Mesa Private Schools

For the 2026-27 school year, there are 6 private schools serving 465 students in the neighborhood of East Side Costa Mesa, Costa Mesa, CA.
The top ranked private schools in East Side Costa Mesa include St. Joachim Elementary School and International Christian Montessori School Of Newport.
The average acceptance rate is 75%, which is lower than the California private school average acceptance rate of 83%.
33% of private schools in East Side Costa Mesa are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked East Side Costa Mesa Private Schools (2026-27)

Map of International Christian Montessori School Of Newport
International Christian Montessori School Of Newport
Gr: PK-K | 36 students
Avg. class size: 10 students
Montessori School (Christian)
2591 Irvine Ave
Costa Mesa, CA 92627
(949) 631-9785
(2)
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St. Joachim Elementary School Photo
St. Joachim Elementary School
Gr: PK-8 | 272 students
Avg. class size: 25 students
Sports: 5 | Extracurriculars: 3
Catholic
1964 Orange Ave
Costa Mesa, CA 92627
(949) 574-7411
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Map of Back Bay Montessori
Back Bay Montessori
Gr: K-1 | 24 students
Montessori School
398 University Dr
Costa Mesa, CA 92627
(949) 548-3771
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Heritage Montessori School of Newport Beach - Costa Mesa Photo
Heritage Montessori School of Newport Beach - Costa Mesa
Gr: NS-4
Avg. class size: 24 students
Montessori School
2032 Orange Ave
Costa Mesa, CA 92627
(949) 764-9433
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Map of The Susan Phillips Day School
The Susan Phillips Day School
Gr: PK | 21 students
Daycare / Preschool
381 University Drive
Costa Mesa, CA 92627
(949) 645-1949
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Map of Woodland Child Devt Center
Woodland Child Devt Center
Gr: PK-5 | 112 students
Specialized Curriculum
2025 Garden Ln
Costa Mesa, CA 92627
(949) 650-3256
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Frequently Asked Questions

What are the top ranked private schools in the neighborhood of East Side Costa Mesa, Costa Mesa, CA?
The top ranked private schools in the neighborhood of East Side Costa Mesa, Costa Mesa, CA include St. Joachim Elementary School and International Christian Montessori School Of Newport.
How many private schools are located in the neighborhood of East Side Costa Mesa, Costa Mesa?
6 private schools are located in the neighborhood of East Side Costa Mesa, Costa Mesa.
How diverse are private schools in the neighborhood of East Side Costa Mesa, Costa Mesa?
the neighborhood of East Side Costa Mesa, Costa Mesa private schools are approximately 32% minority students, which is lower than the California private school average of 52%.
What percentage of private schools are religiously affiliated in the neighborhood of East Side Costa Mesa, Costa Mesa?
33% of private schools in the neighborhood of East Side Costa Mesa, Costa Mesa are religiously affiliated (most commonly Catholic and Christian).

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