The average private high school endowment in California is $31.5M (2026-27).
The private high school in California with the highest endowment is The Thacher School, with a endowment of $206M.
Quick Facts (2026-27)
- # CA Schools Ranked: 53
- Top 20 Range (Endowment): $13–$206
- CA School Avg.: $23
- National School Avg.: $35



























