The national average private school tuition is $13,722 per year (2026-27).
The private elementary school average tuition cost is $12,998 per year and the private high school average is $17,235 per year.
The state with the highest average private school tuition is Connecticut with a $28,517 average tuition cost. The state with the lowest tuition cost is South Dakota with an average cost of $5,377.
Quick Facts (2026-27)
- National Avg. Tuition: $13,722
- Highest State Avg: Connecticut ($28,517)
- Lowest State Avg: South Dakota ($5,377)
- Most Expensive School: Talk School ($97,747)







































