Mountain Valley High School (Mountain Valley or MVHS) is a public high school in Rumford, Maine, United States, serving the towns of Rumford and nearby Mexico.

It was formed in 1989 as a result of the merger of the towns' high schools.

[3][4] Football: On November 14, 2010, Mountain Valley won the Western Maine Class B championship with an 18–0 win over Wells High School and later won the state championship against Leavitt.

It was the 5th Western Maine Class B championship in the last 7 seasons.

[5] The seniors, led by captains Taylor Bradley, Cam Kaubris, and Christian Durland, dedicated their state championship in 2010 to former teammate, Danny Garneau, who died of cancer the year before.