Tri-Valley High School

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