In addition to all of the above, you may want to ask about the courses that are required to graduate. Of course, pretty much all of your 1L will be required courses (contracts, criminal law, torts, etc.), but in the upper years, how many courses are required and how many are electives?
My law school had (or maybe it just seemed that way) more required upper year courses than any other law school in Canada–seven in all, if memory serves. Somewhere along the line, either among the required courses or the electives, had to be a “paper course,” where course credit was based on a research paper getting at least a certain grade.
Why care about what’s required? Well, for example, we were one of two schools in the whole country where Conflicts of Law was a required course. That’s not an easy subject at all, and many of my classmates struggled and were ultimately disappointed in their Conflicts grades. Among their worries was that having their GPA pulled down by their required Conflicts grade would prevent them from being considered by the firms they planned to apply to after graduation; especially since the majority of other students across the country who would be applying to the same firms did not have to take Conflicts, and thus could have an advantage, grade-wise. (Me, I admit my Conflicts grade could have been better, but I was happy just to get through it.)
The other thing is that the more upper year required courses there are, the less you can explore topics that interest you. I took a course in Legal History, for example, and while I would have loved to have taken more courses in that field, a required course always presented a scheduling conflict of some sort. Needless to say, the required course had to take precedence. Fewer required courses might have allowed things to fit more easily.
There will always be some required upper year courses, but you may want to ask how many each school has and what they are. Good luck!