#1 Best Preschools in Orange County, CA
Northwood Montessori of Irvine
Montessori school · Grades Pre-K–K
Serving families in Irvine since at least 2011
Irvine, CA
B+Overall grade30 students15 students per teacher
2026 lists
Best Preschools in Orange County, CA
The highest-graded schools of this kind in Orange County, CA. Top 5 of 5 schools.
#2 Best Preschools in Orange County, CA
Marguerite Christian Pre School
Early childhood program · Grades Pre-K–K
Serving families in Mission Viejo since at least 2011
Mission Viejo, CA
B+Overall grade34 students24 students per teacher
#3 Best Preschools in Orange County, CA
Mission Montessori
Christian (nondenominational) · Montessori · Grades Pre-K–K
The largest preschool in Mission Viejo
Mission Viejo, CA
B+Overall grade36 students18 students per teacher
#4 Best Preschools in Orange County, CA
Discovery Depot
Early childhood program · Grades Pre-K–K
The largest preschool in Yorba Linda
Yorba Linda, CA
B+Overall grade64 students21 students per teacher
#5 Best Preschools in Orange County, CA
Irvine Montessori School
Montessori school · Grades Pre-K–K
The largest preschool in Irvine
Irvine, CA
B+Overall grade62 students
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.