6-12 High

Sentinel Tech Alt School

20140 Rd 24 Sw, Mattawa, WA 99349 · Serves sixth grade through twelfth grade.

(509)932-4565

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.