Bellaire High School is a public high school located in Bellaire, Ohio, United States.

"Bellaire High School, dedicated in 1925, was considered at that time to be the most modern in the Ohio Valley.

Since its inception it has included 30 classrooms, a combination auditorium gym, a library, home economics rooms, chemistry and physics labs, typing room, office practice room, music room and offices of the superintendent of schools, the high school principal and guidance counselor."

(Excerpt from a Times Leader article from February 1, 1999) Bellaire is a founding member of the Ohio Valley Athletic Conference (OVAC), joining the conference in 1943.

In 2008, they also founded the Buckeye 8 Conference affiliate of the OVAC.