Reply To: women and guys in a not jewish college together

LU: Sort of. Kreivah L’Arayos might be Yeihareg V’al Ya’avor, but it’s still only a Lav. Shabbos is an Issur Skilah. Shabbos is more Chamur. Kreivah has one Chumra attached because of its status as Abizraihu, not on its own merit.