For the 2026 school year, there are 4 private elementary schools serving 408 students in the neighborhood of East Side Costa Mesa, Costa Mesa, CA.
The top-ranked private elementary school in East Side Costa Mesa is St. Joachim Elementary School.
25% of private elementary schools in East Side Costa Mesa are religiously affiliated (most commonly Catholic).
Top-Ranked East Side Costa Mesa Private Elementary Schools (2026)
School
Location
Quick Facts
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
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
Costa Mesa, CA 92627
(949) 548-3771
Gr: K-1 | 24 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
Gr: NS-4 Avg. class size: 24 students Tuition listed
Woodland Child Devt Center
Special Program Emphasis
2025 Garden Ln
Costa Mesa, CA 92627
(949) 650-3256
Costa Mesa, CA 92627
(949) 650-3256
Gr: PK-5 | 112 students
Frequently Asked Questions
What are the top-ranked private elementary schools in the neighborhood of East Side Costa Mesa, Costa Mesa, CA?
The top-ranked private elementary schools in the neighborhood of East Side Costa Mesa, Costa Mesa, CA is St. Joachim Elementary School.
How many private elementary schools are located in the neighborhood of East Side Costa Mesa, Costa Mesa?
4 private elementary schools are located in the neighborhood of East Side Costa Mesa, Costa Mesa.
What percentage of private elementary schools are religiously affiliated in the neighborhood of East Side Costa Mesa, Costa Mesa?
25% of private elementary schools in the neighborhood of East Side Costa Mesa, Costa Mesa are religiously affiliated (most commonly Catholic).
Recent Articles
How to Ask About Staff Screening Without Apologizing
Parents should feel comfortable asking how private schools screen employees. Learn which questions matter, what answers to expect, and why transparency about hiring and student safety is a hallmark of a well-managed school.
What Facility Safety Tells You About School Oversight
A school's facilities reveal far more than appearance. Learn how building maintenance, emergency preparedness, and campus safety practices can help parents evaluate school leadership, oversight, and long-term commitment to student well-being.
Is the School Legally a School? A Parent Verification Checklist
Before enrolling your child in a private school, learn how to verify that it is legally operating, properly accredited, and authorized to issue recognized diplomas with this practical parent checklist for making a confident school choice.