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.

Richwood High athletics competes in the LHSAA.

Football championships

• (4) State Championships: 1962, 1963, 1964, 1974

This article's list of alumni may not follow Wikipedia's verifiability policy. Please improve this article by removing names that do not have independent reliable sources showing they merit inclusion in this article AND are alumni, or by incorporating the relevant publications into the body of the article through appropriate citations. (March 2021)

• Joe Profit, 1st round draft pick and running back in the NFL for the Atlanta Falcons
• Boo Robinson, defensive tackle in the NFL for the Philadelphia Eagles
• Storm Warren (born 1988), power forward for the LSU Tigers and the Israeli Basketball Premier League
• Ronnie Washington, 8th round pick and linebacker in the NFL for the Atlanta Falcons
• Sammy White, former NFL wide receiver for the Minnesota Vikings
• Rod Williams, cornerback in the CFL for the Edmonton Eskimos and Saskatchewan Roughriders
• Larry Wright, 1st round draft pick number 17 guard in NBA for Washington Bullets, head coach of the Grambling Tigers men's basketball team

• Richwood High School website