Tri-Valley High School may refer to:
Tri-Valley Central School, Grahamsville, New York Tri-Valley High School, Cambridge, Idaho Tri-Valley High School, Downs, Illinois Tri-Valley High School, Dresden, Ohio Tri-Valley High School, Colton, South Dakota Tri-Valley School, Healy, Alaska Tri-Valley Junior/Senior High School, Hegins, Pennsylvania
See also Tri-Valley (disambiguation)