Why would people make an investment with insufficient ROI (Return on Investment)?
Insufficient information.
College Scorecard [1] is a database with a web interface for finding and comparing schools according to a number of objective criteria. CollegeScorecard launched in 2015. It lists "Average Annual Cost", "Graduation Rate", and "Salary After Attending" on the search results pages. When you review a detail page for an institution, there are many additional statistics; things like: "Typical Total Debt After Graduation" and "Typical Monthly Loan Payment".
The raw data behind CollegeScorecard can be downloaded from [2]. The "data_dictionary" tab of the "Data Dictionary" spreadsheet describes the data schema.
[1] https://collegescorecard.ed.gov
[2] https://collegescorecard.ed.gov/data/
Khan Academy > "College, careers, and more" [3] may be a helpful supplement for funding a full-time college admissions counselor in a secondary education institution
[3] https://www.khanacademy.org/college-careers-more
(I haven't the time to earn 10 academia.stackexchange points in order to earn the prestigious opportunity to contribute this answer to such a forum with threaded comments. In the academic journal system, journals sell academics' work (i.e. schema.org/ScholarlyArticle PDFs, mobile-compatible responsive HTML 5, RDFa, JSON-LD structured data) and keep all of the revenue).
"Because I need money for school! Next question. CPU: College Textbook costs and CPI: All over time t?!"