The average private high school tuition in Washington is $17,619 per year (2026-27).
The private high school with the lowest tuition is Liberty Christian School, with a tuition of $1,865.
Quick Facts (2026-27)
- # WA Schools Ranked: 117
- Top 20 Range (Tuition): $1,865–$5,800
- WA School Avg.: $17,496
- National School Avg.: $14,530


















