#1 Best Private Schools in Orange, CA
La Purisima School
Parish school · Grades K–8
The smallest classes of any Catholic school in Orange
Orange, CA
A+Overall grade127 students11 students per teacher
2026 lists
Best Private Schools in Orange, CA
Private schools in Orange, CA with the highest overall grades. Top 11 of 11 schools.
#2 Best Private Schools in Orange, CA
Spirit Academy
Christian school (nondenominational) · Grades Pre-K–12
The smallest classes of any Christian school in Orange
Orange, CA
A+Overall grade143 students6 students per teacher
#3 Best Private Schools in Orange, CA
St. Norbert Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 71% of Catholic schools in California
Orange, CA
A+Overall grade272 students14 students per teacher
#4 Best Private Schools in Orange, CA
Oakridge Private School
Christian school (nondenominational) · Grades Pre-K–8
Smaller classes than 66% of Christian schools in California
Orange, CA
A+Overall grade203 students10 students per teacher
#5 Best Private Schools in Orange, CA
Holy Family Catholic School
Diocesan school · Grades Pre-K–8
The largest Catholic school in Orange
Orange, CA
A+Overall grade392 students18 students per teacher
#6 Best Private Schools in Orange, CA
International School of Orange County
Independent school · Grades Pre-K–6
The only independent school in Orange
Orange, CA
AOverall grade105 students7 students per teacher
#7 Best Private Schools in Orange, CA
Covenant Christian School
Christian school (nondenominational) · Grades Pre-K–8
Growing: enrollment up 153% since 2011–12
Orange, CA
AOverall grade197 students14 students per teacher
#8 Best Private Schools in Orange, CA
Adelphia Classical Christian Academy
Christian school (nondenominational) · Grades K–12
Smaller classes than 60% of Christian schools in California
Orange, CA
A-Overall grade125 students9 students per teacher
#9 Best Private Schools in Orange, CA
St. Paul's Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Serving families in Orange since at least 2011
Orange, CA
B+Overall grade399 students18 students per teacher
#10 Best Private Schools in Orange, CA
St. Johns Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
The largest Christian school in Orange
Orange, CA
BOverall grade724 students20 students per teacher
#11 Best Private Schools in Orange, CA
Salem Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Serving families in Orange since at least 2011
Orange, CA
BOverall grade408 students20 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.