The national average private school tuition is $15,007 per year (2025-26).
The private elementary school average tuition cost is $14,037 per year and the private high school average is $17,993 per year.
The state with the highest average private school tuition is Connecticut with a $28,288 average tuition cost. The state with the lowest tuition cost is South Dakota with an average cost of $6,448.
Tuition Range: $6,448
$28,288
Avg. Tuition: $15,007
Average Private School Tuition Cost (2025-26)
State
Average Tuition
High Schools
Elementary
Frequently Asked Questions
What is the national average private school tuition ?
The national average private school tuition is $15,007 for 2025-26.
What are the most expensive private schools in the United States?
The most expensive private schools in the United States include Valley View School, The Greenwood School and Middlebridge School.
What is the state with the highest average private school tuition?
The state with the highest average private school tuition is Connecticut.
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