The average private school tuition in California is $17,625 per year (2026-27).
The private elementary school average tuition cost is $17,229 per year and the private high school average is $23,667 per year.
The private school with the lowest tuition cost is Pillars Academy and Fountain Valley Montessori Center, each with a tuition of $1,030.
Quick Facts (26-27)
- # CA Schools Ranked: 1,059
- Top 20 Range (Tuition): $1,030–$1,330
- CA School Avg.: $18,541
- National School Avg.: $11,160


















