There's a GAO report from last year about the dramatic increase of students with disabilities in college.

In 2004/2008/2012, 11% of college students had disabilities. It was 21% in 2020.

In 2020, 69% of students with disabilities had behavioral or emotional conditions - up from 33% in 2004.

https://www.gao.gov/assets/gao-24-105614.pdf