Kelowna Secondary School is a public school in Kelowna, British Columbia within School District 23.
Kelowna Secondary School was rated 3rd in the province by the 2004/05 Fraser Sand rankings.
KSS received a 7 out of 10 overall rating from the Fraser Institute in 2020. It was ranked 63/252 out of high schools in British Columbia.
Kelowna Secondary School offers senior varsity boys volleyball and basketball programs.
Kelowna Secondary is known as one of the provincial championship contenders through recent years in high school boys' volleyball. In the 2023 volleyball season, the Owls completed a provincial title three-peat with a victory in four sets against the Yale Lions from Abbotsford; in the same season, the Owls' Senior Girls Volleyball Team won the 'AAAA' High School Girls Volleyball Provincial Championship in three sets against the Riverside Rapids from Port Coquitlam.
Kelowna Secondary School offers various Drama and Music programs.
KSS offers a theatre program with courses in and outside of the timetable. They have their own theatre company, "Night Owl Theatre", which produces several productions a year.
KSS offers music classes and groups for Concert Bands, Jazz Bands, Men's & Women's Chamber Choirs, Vocal Jazz Ensemble, Jazz Combos and Music Composition & Theory.