Why does a school bond measure require 60% while a constitutional amendment only requires 50%?

Coming off the local elections in Bismarck, it seems pretty backward that ND requires 60% of voters to approve school funding but only 50% to approve a constitutional amendment.

I’m strongly in favor of funding schools. I’d challenge anyone to argue why we should not be giving our kids adequate facilities.

Not quite so sure on the constitutional amendments. The ads I’ve seen make me angry at the people supporting the 60% measure but I do have reservations about having a low bar for changing the constitution. We’ve already seen the state override popular local legislation, so it seems like it might be a good idea to put more limits on state power.