Dark blue: It's going to take a foot or more of snow to close schools. Green: Any snow's going to shut things down. reddit.com/user/atrubetskoy hide caption itoggle caption reddit.com/user/atrubetskoy The Two-Way It's True: Snowiest Places Are Least Likely To Close Schools January 31, 2014 Crunching some data, a Reddit user has come up with a map that sure seems to confirm what many have been saying: It doesn't doesn't take much, if any, snow to close schools in much of the South. But up North? A foot or more is going to have to fall before the kids get to stay home.