The average private high school endowment in Michigan is $35.7M (2026-27).
The private high school in Michigan with the highest endowment is Cranbrook Schools, with a endowment of $345M.
Quick Facts (26-27)
- # MI Schools Ranked: 18
- Top 20 Range (Endowment): $1M–$345M
- MI School Avg.: $36M
- National School Avg.: $30M











