Re: classes on campus.
Is this considered bad to have college classes on the yeshiva property? Is this decreasing kedusha of learning? Would people start reading math books during mussar shmoozim? This may be a valid concern, but on the other hand, would it not be better for bochrim to study college classes together rather than go to a different campus with all kind of problems there? In one of the high school yeshivos that starting using online public school for secular subjects, they have 2 floors – so they physically go to another floor to learn non-Torah subjects, use laptops there, then go back.
Furthermore, if they learn humanities or sciences like physics and psychology, it would be good for someone in yeshiva to address hashkofa questions that arise from there. I do this with my kids all the time – when they were at schools, where “goiyishe teachers” sometimes were disconnected from the Jewish curriculum and even better in online schools/colleges. In a recent class on astronomy, we did possibly whole maase bereshis 🙂 In psychology, read R Twersky’s teshuvos. In US Gov, discussed Jewish view of government starting with Shmuel…