Across
- 4. An old lady stripped for the warden. (6)
- 6. The lucky rat was having a ball! (6,6)
- 8. They dominate the growth of the institution. (8)
- 10. Sorcerer or not, he's brainy and tough. (6)
- 11. Hooter's having some trouble with his toupee. (6)
- 16. Bolt your doors, there's a flash storm coming. (9)
- 17. Drink in the atmosphere - be true, breathe, and spread your wings. (10)
- 20. Watching TV in Old Rome is just criminal. (9)
- 21. There's never a tender moment with this monster. (8)
- 22. He's got charm, period. (5)
Down
- 1. Chuck a pound in the hole to win the game. (9)
- 2. Crashing Ron's dad's car left a permanent mark. (4)
- 3. I can declare it's safe to eat. (5)
- 5. Boy, this almost isn't right! (3)
- 7. The song Draco sang to soothe the beast. (6)
- 9. Grading the top students lower by enforcing a cap. (7,3)
- 12. Stick to what you know and you'll go far. (4)
- 13. Almost a decision to make for the old crone. (5)
- 14. She is a hero of mine, one not to miss. (8)
- 15. Just a person having a large cup of tea, sort of. (6)
- 18. Handle a hard truth? It's a risk to comb through too finely. (10)
- 19. You can't steal Ernie's prefect badge, it's pinned to his uniform. (4)