This study estimates that government spending is 40% of public university revenue, ~10% for private schools. https://nces.ed.gov/programs/coe/indicator/cud/post

This study estimates that government spending is 40% of public university revenue, ~10% for private schools. https://nces.ed.gov/programs/coe/indicator/cud/postsecondary-institution-revenue https://nces.ed.gov/programs/coe/indicator/cud/postsecondary...