This report outlines distance education trends across the US for 2018. Online enrollments have grown nationally for the fourteenth straight year, specifically for public and not-for-profit institutions.
Seaman, J.E., Allen, I.E., & Seaman, J. (2018). Grade increase: Tracking distance education in the United States. [Annual Report]. Retrieved from https://files.eric.ed.gov/fulltext/ED580852.pdf