For the 2025 school year, there are 17 private schools serving 3,063 students in Costa Mesa, CA (there are 41 public schools, serving 20,692 public students). 13% of all K-12 students in Costa Mesa, CA are educated in private schools (compared to the CA state average of 10%).
The top ranked private schools in Costa Mesa, CA include Christ Lutheran Church and School, St. Joachim Elementary School, and International Christian Montessori Academy.
The average acceptance rate is 85%, which is higher than the California private school average acceptance rate of 80%.
Top Ranked Costa Mesa Private Schools (2025)
School
Location
Grades
Students
760 Victoria St
Costa Mesa, CA 92627
(949) 548-6866
Costa Mesa, CA 92627
(949) 548-6866
Grades: NS-8
| 348 students
International Christian Montessori Academy
Montessori School (Christian)
2950 Mcclintock Way
Costa Mesa, CA 92626
(714) 966-0303
Costa Mesa, CA 92626
(714) 966-0303
Grades: PK-6
| 90 students
300 Fischer Ave
Costa Mesa, CA 92626
(714) 437-1700
Costa Mesa, CA 92626
(714) 437-1700
Grades: PK-8
| 744 students
St. Joachim Elementary School![St. Joachim Elementary School Photo - St. Joachim 's Pre-Kindergarten & Kindergarten Extended Day group]( "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
Costa Mesa, CA 92627
(949) 574-7411
Grades: PK-8
| 272 students
St. John The Baptist Catholic School![St. John The Baptist Catholic School Photo]( "St. John The Baptist Catholic School Photo")
(Catholic)
1021 Baker St
Costa Mesa, CA 92626
(714) 557-5060
Costa Mesa, CA 92626
(714) 557-5060
Grades: K-8
| 553 students
2350 Canyon Drive
Costa Mesa, CA 92627
(949) 574-7775
Costa Mesa, CA 92627
(949) 574-7775
Grades: PK-12
| 358 students
Back Bay Montessori
Montessori School
398 University Dr
Costa Mesa, CA 92627
(949) 548-3771
Costa Mesa, CA 92627
(949) 548-3771
Grades: K-1
| 24 students
The Childs-pace Foundation, Inc.
Alternative School
1860 Anaheim Ave
Costa Mesa, CA 92627
(714) 557-7777
Costa Mesa, CA 92627
(714) 557-7777
Grades: PK-6
| 116 students
Christian Montessori School-costa Mesa
Montessori School (Christian)
2950 Mcclintock Way
Costa Mesa, CA 92626
(714) 966-0303
Costa Mesa, CA 92626
(714) 966-0303
Grades: PK-6
| 57 students
Giant Step Learning Center
Daycare / Preschool
758 Saint Clair St
Costa Mesa, CA 92626
(714) 540-1775
Costa Mesa, CA 92626
(714) 540-1775
Grades: PK-K
| 44 students
Heritage Montessori School of Newport Beach - Costa Mesa![Heritage Montessori School of Newport Beach - Costa Mesa Photo]( "Heritage Montessori School of Newport Beach - Costa Mesa Photo")
Montessori School
2032 Orange Ave
Costa Mesa, CA 92627
(949) 764-9433
Costa Mesa, CA 92627
(949) 764-9433
Grades: NS-4
| n/a students
2591 Irvine Ave
Costa Mesa, CA 92627
(949) 631-9785
Costa Mesa, CA 92627
(949) 631-9785
Grades: PK-K
| 36 students
3025 Deodar Ave
Costa Mesa, CA 92626
(714) 549-3803
Costa Mesa, CA 92626
(714) 549-3803
Grades: K-6
| 32 students
The Susan Phillips Day School
Daycare / Preschool
381 University Drive
Costa Mesa, CA 92627
(949) 645-1949
Costa Mesa, CA 92627
(949) 645-1949
Grades: PK
| 21 students
Woodland Child Devt Center
Special Program Emphasis
2025 Garden Ln
Costa Mesa, CA 92627
(949) 650-3256
Costa Mesa, CA 92627
(949) 650-3256
Grades: PK-5
| 112 students
Costa Mesa, California Private Schools (Closed)
School
Location
Grades
Students
261 Monte Vista Avenue
Costa Mesa, CA 92627
(949) 645-5171
Costa Mesa, CA 92627
(949) 645-5171
Grades: K-8
| 62 students
Port Mesa Christian School (Closed 2010)
(Christian)
650 Hamilton St
Costa Mesa, CA 92627
(949) 642-9181
Costa Mesa, CA 92627
(949) 642-9181
Grades: K-2
| 22 students
Frequently Asked Questions
What are the top ranked private schools in Costa Mesa, CA?
The top ranked private schools in Costa Mesa, CA include Christ Lutheran Church and School, St. Joachim Elementary School, and International Christian Montessori Academy.
How many private schools are located in Costa Mesa?
17 private schools are located in Costa Mesa.
How diverse are private schools in Costa Mesa?
Costa Mesa private schools are approximately 38% minority students, which is lower than the California private school average of 51%.
What percentage of students in Costa Mesa go to private school?
13% of all K-12 students in Costa Mesa are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in Costa Mesa?
Which private schools in Costa Mesa are often viewed compared to one another?
Popular comparisons of private schools in Costa Mesa include: Montessori Harbor Mesa School vs. The Waldorf School Of Orange County
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