Which reports reach a principal without asking?
Two, every Monday, as long as email is set up for your school: last week's student attendance for every section as Excel sheets at 1 am, and the weekly staff attendance PDF at 7 am, which also goes to the attendance manager.
Everything else you pull when you need it: a class's rank list with percentile, result graphs, the fee dashboard, forecast and the day's collection, and on Platinum the defaulter list and collection for any date range. With the right permissions on your role, none of it has to be requested from the office or the accounts desk, because it comes from the same records they work in.