private school tuition fee
States States Towns Towns Counties Counties. The national average private school tuition is approximately $10,154 per year. The private elementary school average is $7,406 per year and the private high school average is $13,476 per year.id You Know? The most expensive town for private school tuition is Palo Alto, CA with an average tuition of $27,213. The most expensive county for private school tuition is Litchfield County, CT with an average tuition of $45,534.