Q. See question above. Who has to pay for the Mezuza?

A. Bachurim pay for the Mezuzos. This is due to the Halacha that the obligation to place a Mezuza is on the one living on that location or “Chovas Hadar.” (Shulchan Aruch Y.D. 291).

Rabbi A. Bartfeld as revised by Horav Shlomo Miller, Horav Dovid Pam, Horav Aharon Miller and Horav Chanoch Ehrentreu and Horav Kalman Ochs Shlit’a