Here is a context clues worksheet on the adjective scarce. I’m sure I wrote this for use in the economics-themed high school in which I previously served. It goes without saying that this word is in sufficiently common use in English that high school students should know it prior to their graduation.
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.