If you can use it, here is a context clues worksheet on the noun quirk. This is a common enough word that high school students should know it. Put another way, adolescence tends to be a time of personal quirks, so this is a useful, arguably vital, word for teenagers.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.