The average private school tuition in California is $18,350 per year (2026-27).
The private elementary school average tuition cost is $17,768 per year and the private high school average is $23,881 per year.
The private school with the lowest tuition cost is Fountain Valley Montessori Center and Pillars Academy, each with a tuition of $1,030.
Quick Facts (2026-27)
- # CA Schools Ranked: 1,384
- Top 20 Range (Tuition): $1,030–$1,300
- CA School Avg.: $17,516
- National School Avg.: $12,181

















