Richwood High School is a public high school in unincorporated Ouachita Parish, Louisiana, United States, south of the City of Richwood.

It is a part of the Ouachita Parish School Board.

Abe E. Pierce, III, the first African American mayor of Monroe (1996-2000) taught science at Richwood and served as principal from 1956 to 1966.

He said in a 2009 interview that teaching at Richwood had been the most rewarding of all the jobs he ever held.

[2] Richwood High athletics competes in the LHSAA.