When I heard the news last week that the Public Education Ministry (SEP) had decided that Mexico’s school calendar would be shortened by a month and a half — seemingly out of nowhere — I was already grouchy. “A month and a half early? That’s got to be a prank,” I typed in a group chat I have with a few parents I get along especially well with. “Anyway, about this Mother’s Day event …” Education Minister Mario Delgado is the man ultimately respon…