Quizbank/Cost-benefit analysis/Data

Images
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 * 1) Student debt shown in red is currently $1.5 trillion. It is second only to home mortgages, and the fastest growing household debt shown in the figure.
 * 2) Government subsidies per full-time student should also be considered in calculating the cost of higher education (shown for the academic year 2017-18.)
 * 3) Tuition & fees shows the tuition and fees used to estimate the annual revenue a full-time student brings to a college or university.
 * 4) Tuition, fees, room & board shows the annual total cost to attend college full time.
 * 5) Demographics can be used to estimate what fraction of the population is in a likely age bracket to attend college. Approximately 22 million people of in the US occupy the 5-year (20-24) age group. Take 30% of that number and we conclude that at least 6.6 million students are currently paying for an education. This is reasonably close to the estimate of 10 million full-time students used for our calculation.
 * 6) Graduation rates are shown for completing a degree within 4 or 6 years.
 * 7) Not available on Wikiversity is the image w:File:Educational_Attainment_in_the_United_States_2009.png. It suggests that about one third of adult in the US hold college degrees.

Tables
This table estimates the total enrollment in US colleges to be about 20 million students. A look at the revenues from local, state and federal governments, as well as from students gives us a rough idea of what it costs to educate a full-time college student for one year during the 2017-18 academic year. But as discussed elsewhere, this estimate is not likely to accurately represent actual cost of teaching any given course.

References & Footnotes
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 * https://bigfuture.collegeboard.org/pay-for-college/college-costs/college-costs-faqs
 * Decreasing graduation completion rates in the United States (Wikipedia)