In 1970, there were almost 4 full-time college faculty per 1 part-time instructor. Now it's almost a 1:1 ratio.

In 1970, there were almost 4 full-time college faculty per 1 part-time instructor. Now it's almost a 1:1 ratio. pic.twitter.com/prpu5y3rSS

— Mark J. Perry (@Mark_J_Perry) August 29, 2018