Indulging protesters can be expensive, as the University of Missouri is discovering three years after students successfully demanded the resignation of the president and chancellor. Last week the school said it will have to eliminate 185 positions on top of 308 cut last year.

Apparently fewer parents want to send their kids to a school where activism eclipses academics. Between the fall 2015 and 2017 semesters, freshman enrollment dropped by 35%. Lost tuition accounts for $29 million of the university’s current $49 million...