Let me add my own don’ts:
Ducks (or Duck Face), Lockers, Hallway Pics, Football Field, Parking Lot, “MySpace Pics,” Generic looking Flowers & Plants, Fences, Gym Class, Computers & Keyboards (also, someone sitting at said computer), Anything lazily taken in Lab 32, Water Fountains, The Globe at the Front of the School, Looking down at your Feet, In Camera Flash Photography, Cars & School Buses, Boring Neighborhood Snapshots.