She teaches math! Coaches the Mathletes! Works at the mall on weekends to make ends meet! If that isn’t bad enough, those rotten “Plastics” should have made the lovely, if slightly goofy, Ms. Norbury (Tina Fey) run as fast as she could to the nearest temp agency. Luckily, she found that one special student that she could actually mentor in Cady (Lindsay Lohan).