The national average private school tuition is $14,950 per year (2026-27).
The private elementary school average tuition cost is $13,963 per year and the private high school average is $18,043 per year.
The state with the highest average private school tuition is Connecticut with a $28,702 average tuition cost. The state with the lowest tuition cost is South Dakota with an average cost of $6,467.
Quick Facts (2026-27)
- National Avg. Tuition: $14,950
- Highest State Avg: Connecticut ($28,702)
- Lowest State Avg: South Dakota ($6,467)
- Most Expensive School: Talk School ($97,747)

































