College Acceptance Rates

If you would like historical information for this time frame, this Life article may be of interest:

https://books.google.com/books?id=ykQEAAAAMBAJ&pg=PA100&lpg=PA100&dq=life+magazine+1960+college+admission+tufts+bowdoin&source=bl&ots=5BKi5WV8SQ&sig=GFl_LycVnJV8AGIXLX2P9kW97I0&hl=en&sa=X&ei=sO1TT4uPK-jm0QG8ifC3DQ#v=onepage&q&f=false

http://talk.collegeconfidential.com/college-search-selection/1897982-the-historical-selectivity-of-colleges-by-sat-score-tiers-p1.html

Note that while Harvard, academically, enjoyed a similar relative status in 1960 to that of today, many other schools have shifted position since then.