Harvard is above the Mason-Dixon line. Was there any official (as opposed to sub rosa) segregation up there during the 1950s, i.e., separate public accommodations?
Not in Mass.
The liberals called it "defacto" segregation. Kids went to schools in their own ethnic neighborhoods. Supposedly, black kids were getting crappy teachers. Then Judge Arthur Garrity ruled in the 1970's that Boston had to bus black kids to white schools. He singlehandedly ruined the school system and ethnic neighborhoods. Nevermind that black kids could attend the citywide exam schools. Those that did deserved the enrollment based on merit. True the percentage of blacks as a percent of their population was smaller than those of whites, but that was a result of circumstances within their culture.