Nobody wakes up one morning and decides their school has a spreadsheet problem. It happens slowly. A formula breaks here. A file goes missing there. Somebody overwrites the attendance sheet and nobody notices for two weeks. Spreadsheets are where most schools start. They are free, familiar, and flexible. But they were never designed to run a school. And at some point, the gap between what a spreadsheet can do and what your school needs it to do becomes impossible to ignore. Here are ten signs your school has hit that point and it is time to invest in a student information system.