Searchable database (by institution, locality, state, size, etc.) of criminal offenses reported by more than 6,000 postsecondary institutions in the United States and compiled by the Office of Postsecondary Education (U.S. Dept. of Education).
ICPSR is an international consortium of more than 700 colleges, universities, and research organizations. Hosted by the University of Michigan, it includes data archives, research statistics, and educational activities on various political and social topics.
More formally know as the National Assessment of Educational Progress (NAEP), the Nation's Report Card is the "largest continuing and nationally representative assessment of what our students know." and can do in various subject areas. Explore the data here.
International data on education. This site is useful if you want to compare across countries. This site is more in-depth but less user-friendly than Data for Sustainable Development Goals (see link above). Both sites are part of the same organization.