بسم الله الرحمن الرحيم
(Fatwa: 643/643/M=05/1435)
If the said college is situated in the city or on the outskirt of the city then you may establish Jumuah salah in the college. The availability of mosque is not a condition for the validity of Jumuah salah.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
