The average tuition across the 93 ranked boarding schools with more than 400 students is $71,007 (2026-27).
Among boarding schools with more than 400 students, the one with the least expensive tuition is New Mexico Military Institute, with $23,218.
Quick Facts (26-27)
- # Schools with 400+ Students Ranked: 93
- Top 20 Range ($): $23,218–$56,995
- Schools with 400+ Students Avg.: $71,007
- National Avg.: $64,455




























































































