Private School Cost Calculator

What Actually Drives Private School Costs

The national average for private school tuition is $12,350 per year, according to NCES data. That number is nearly useless on its own. A Montessori elementary in rural Ohio might charge $6,500. A prep school in Boston or Manhattan charges $55,000 or more. The averages hide an enormous spread.

School type is the biggest variable. Religious schools average around $7,200/year nationally. Independent schools (nonsectarian, privately governed) average closer to $24,000. Montessori and alternative schools land in the middle, typically $8,000–$14,000. If you're comparing your options, knowing the type is step one.

Grade level adds another layer. High school tuition runs about 15–20% above elementary at the same school. The logic: smaller class sizes in upper grades, more specialized faculty, and extracurricular programs that cost real money to staff. A school that charges $9,000 for fourth grade usually charges $10,500–$11,000 for eleventh.

Tuition is rarely the full bill. Uniforms run $200–$800 depending on how many they require. Books and materials add $300–$1,000 for most schools. Transportation is often the surprise: many private schools don't run buses, so families absorb $1,000–$2,000 in gas or carpool costs. Add lunch (if not included), activity fees, and sports participation charges, and the real annual cost is typically $1,000–$7,000 above the sticker tuition.

About 25% of private school students receive some form of financial aid, per NCES. Aid availability varies dramatically by school endowment. A well-funded independent school might discount 40–60% for qualifying families. A parish school with limited endowment might offer 10–15%. The calculator gives you the market rate; the school's aid office gives you your actual number.

The number parents rarely calculate upfront: 13 years of K-12 at the national average of $12,350 comes out to roughly $160,000. At the religious school average, closer to $94,000. At an independent school, $312,000. Those figures assume flat tuition, which won't happen.

Private school tuition has risen 3–5% annually for most of the past decade. A school charging $10,000 today will likely charge $11,600–$12,800 by year five. If you're planning for a kindergartner, run the numbers against a year-10 budget, not year 1. The calculator doesn't project future increases, so add 3–4% per year yourself if you want a realistic long-term figure.