9-12 High

Mattole Triple Junction High

29289 Chambers Rd., Petrolia, CA 95558 · Serves ninth grade through twelfth grade.

School website (707)629-3250

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.