Madawaska Valley District High School (MVDHS) is a public high school situated in the village of Barry's Bay, Ontario.

It is managed by Renfrew County District School Board.

is one of few high schools in the area, and as of 2012, is attended by 419 students, offering classes for students in grades 9–12.

MVDHS has now been remanded to MVDS after the merging of the two schools.

Notable alumni of MVDHS include: