San Luis Obispo High School, also referred to as "San Luis High" and "SLO High", is an American public high school in San Luis Obispo, California. It is the only non-continuation public high school within the city. The school is within the San Luis Coastal Unified School District (SLCUSD), serving primarily students living in San Luis Obispo. Before the school's addition of ninth grade in 1982, the school was known as "San Luis Obispo Senior High School" (SLOSH). School colors are black and gold.

Notable alumni

• Jay Asher, author
• Townsend Bell, auto racing driver
• Ed Brown, professional football
• Katie Burkhart, National Pro Fastpitch Softball
• Tim Kubinski, Major League Baseball
• Brooks Lee, Major League Baseball
• Jim Lonborg, Major League Baseball
• Double Take, musical duo
• Chris Pontius, actor
• Jeff Powers, water polo
• Mel Queen, Major League Baseball
• The Revels, rock band
• Chris Seitz, Major League Soccer
• Gilbert H. Stork, president of Cuesta College
• Paul Sverchek, National Football League

Athletics

San Luis Obispo High School is part of the CIF Central Section. The Tigers compete as members of the Central Coast Athletic Association. Athletic offerings include: cross country, football, volleyball, water polo, cheer, basketball, soccer, wrestling, swimming, baseball, golf, tennis, volleyball, stunt, and track & field.

CIF Championships

• CIF Southern Section Champion Swim Team (boys): 1982 (Div. 2-A), 1985 (2-A), 1986 (2-A), 1989 (2-A), 2005 (Div. II)
• CIF Southern Section Champion Swim Team (girls): 1993 (Div. III)
• CIF Southern Section Football Champions: 1947 (Northern Division), 1960 (Div. A), 1968 (Div. AA), 1980 (Northwestern), 2001 (Div. IV)
• CIF Southern Section Soccer Champions (boys): 1998 (Div. IV)
• CIF Southern Section Soccer Champions (girls): 2016, 2018, 2019, 2020, 2022
• CIF Southern Section Tennis Champions (girls): 1990 (Div. 1-A)
• CIF Southern Section Track & Field Champions (girls): 2008 (Div. III), 2009 (III)
• CIF Southern Section Volleyball Champions (girls): 1989 (Div. 2-A)
• CIF Southern Section Baseball Champions: 1958 (Northern Group), 1959 (3-A), 1990 (4-A), 2000 (Div. IV)
• CIF Southern Section Basketball Champions (boys): 1952 (Northern Group)
• CIF Southern Section Basketball Champions (girls): 1985 (Div. 2-A), 1995 (III-A)
• CIF State Cross Country Champions (boys): 2003 (Div. III) (also SS Div. III champs) / 2021 (Div. 2)
• CIF State Volleyball Champions (girls): 2018 (Div. IV)
• CIF Central Section Cross Country Champions (girls, Division 2) 2018 and 2019
• CIF Central Section Cross Country Champions (boys, Division 1) 2022
• CIF Central Section Track and Field Champions (girls, Division 2) 2022
• CIF Central Section Track and Field Champions (boys, Division 2) 2022

Fire

On October 30, 2023, the hill behind SLO High caught fire, 124 acres before it was contained. A 15-year-old boy was arrested for arson during the investigation.