#1 Private Schools with the Smallest Classes in Costa Mesa, CA
Page Academy
Independent school · Grades K–8
4.8 students per teacher
Costa Mesa, CA
AOverall grade42 students5 students per teacher
2026 lists
Private Schools with the Smallest Classes in Costa Mesa, CA
Private schools in Costa Mesa, CA with the fewest students per teacher (not counting preschools and special education schools). Top 7 of 7 schools.
#2 Private Schools with the Smallest Classes in Costa Mesa, CA
Renascence School International
Independent school · Grades K–11
5.8 students per teacher
Costa Mesa, CA
AOverall grade96 students6 students per teacher
#3 Private Schools with the Smallest Classes in Costa Mesa, CA
Pacific Academy
Independent school · Grades Pre-K–6
5.9 students per teacher
Costa Mesa, CA
A-Overall grade78 students6 students per teacher
#4 Private Schools with the Smallest Classes in Costa Mesa, CA
The Waldorf School of Orange County
Independent school · Grades Pre-K–12
10.5 students per teacher
Costa Mesa, CA
BOverall grade283 students11 students per teacher
#5 Private Schools with the Smallest Classes in Costa Mesa, CA
Mariners Christian School
Christian school (nondenominational) · Grades K–8
14.2 students per teacher
Costa Mesa, CA
B+Overall grade720 students14 students per teacher
#6 Private Schools with the Smallest Classes in Costa Mesa, CA
St. Joachim Elementary School
Parish school · Grades K–8
15 students per teacher
Costa Mesa, CA
AOverall grade244 students15 students per teacher
#7 Private Schools with the Smallest Classes in Costa Mesa, CA
St. John the Baptist Catholic School
Diocesan school · Grades K–8
17.1 students per teacher
Costa Mesa, CA
A+Overall grade505 students17 students per teacher
From official public records, updated October 2026.