We asked teachers of the BuzzFeed Community to show us the best Halloween costume they've ever worn to school. Here they are, teaching us a lesson.
1. This Lichtenstein art teacher who's getting sick and tired of your texting

2. These different flavors of "Pi"

3. This adorable Mary Poppins and Bert pair
5. This science teacher who dressed as neon from the periodic table

6. This slightly horrifying hula Minion

7. These teaching Travelocity gnomes

8. These enchanting witches from The Wizard of Oz

9. This Peter Pan pack

10. This amazing Mad Hatter from Alice in Wonderland
11. This perfect rendition of Pinkalicious

12. This fantastic Flo from Progressive

13. This troupe of Hobbits

14. This pigtailed Pippi Longstocking

15. This DIY Toothless from How to Train Your Dragon

16. These Disney Villain teachers and their devious apple

17. This elegant Effie Trinket from The Hunger Games

18. And this magical Miss Frizzle and her school bus
