#25 Best Private Schools in Orange County, CA
St. John the Baptist Catholic School
Diocesan school · Grades K–8
Serving families in Costa Mesa since at least 2011
Costa Mesa, CA
A+Overall grade505 students17 students per teacher
2026 lists
Best Private Schools in Orange County, CA
Private schools in Orange County, CA with the highest overall grades. Top 50 of 112 schools.
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.