It depends, but you could easily be talking about a couple of hundred dollars. It really depends on the kinds of courses they're taking. A humanities or social sciences course is probably a bit more focused on journal articles and less focused on textbooks, so they would be paying quite a bit more.
It's also worth nothing that Access Copyright is proposing for their new tariff that the amount be multiplied tenfold for colleges, to $35 per student as a blanket rate, and $45 per student for universities. That is part of the reason we think it's really important that this education provision be included.