St. Joachim Elementary School Photo - St. Joachim 's Pre-Kindergarten & Kindergarten Extended Day group

Best East Side Costa Mesa Private Schools (2026)

For the 2026 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 school in East Side Costa Mesa is St. Joachim Elementary School.
The average acceptance rate is 75%, which is lower than the California private school average acceptance rate of 81%.
33% of private schools in East Side Costa Mesa are religiously affiliated (most commonly Catholic and Christian).

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

School
Location
Quick Facts
St. Joachim Elementary School
St. Joachim Elementary School Photo - St. Joachim 's Pre-Kindergarten & Kindergarten Extended Day group
(Catholic)
1964 Orange Ave
Costa Mesa, CA 92627
(949) 574-7411
Gr: PK-8 | 272 students Avg. class size: 25 students Sports: 5 | Extracurrculars: 3 Tuition listed
Back Bay Montessori
Montessori School
398 University Dr
Costa Mesa, CA 92627
(949) 548-3771
Gr: K-1 | 24 students
2032 Orange Ave
Costa Mesa, CA 92627
(949) 764-9433
Gr: NS-4 Avg. class size: 24 students Tuition listed
International Christian Montessori School Of Newport
Montessori School (Christian)
(2)
2591 Irvine Ave
Costa Mesa, CA 92627
(949) 631-9785
Gr: PK-K | 36 students Avg. class size: 10 students Tuition & acceptance rate listed
The Susan Phillips Day School
Daycare / Preschool
381 University Drive
Costa Mesa, CA 92627
(949) 645-1949
Gr: PK | 21 students Tuition listed
Woodland Child Devt Center
Special Program Emphasis
2025 Garden Ln
Costa Mesa, CA 92627
(949) 650-3256
Gr: PK-5 | 112 students

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 is St. Joachim Elementary School.
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 51%.
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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