7-12
High
Tri-Valley Secondary School
34 Moore Hill Rd, Grahamsville, NY 12740 · Serves seventh grade through twelfth grade.
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.
Teach at Tri-Valley Secondary School?
Claim your classroom and post your supply list, so parents shop once instead of guessing which version is current.