Rama 246:4, Birkas Shmuel (Kiddushin #27 p.42), Kovetz Shiurim II:47, etc. pasken college is assur. Rav Moshe Feinstein ZT’L also denounced college in a Teshuva, and in a famous speech delivered to his students, published under the title “The Counsel of the Wicked” (Vaad LeHaromas Keren HaTorah, New York, 1978). There is a tape available in many Seforim stores called “The prohibition to learn in Colleges” (Yiddish), which contains addresses by Rav Moshe Feinstein ZT’L and Rav Aharon Kotler ZT’L condemning college.
Menu