9-12 High

Thousand Islands High School

8481 County Rt 9, Clayton, NY 13624 · Serves ninth grade through twelfth grade.

School website (315)686-5594

Supply lists by grade

These are the default lists for 2026-27. If your teacher has published their own, you'll see it on the grade page.

Get every teacher in your grade on one list, so parents shop once instead of guessing which version is current.