John A. Rowland High School is a public, four-year high school and International Baccalaureate (IB) World School in the city of Rowland Heights, California, United States. It is one of the two high schools in the Rowland Unified School District. It is located directly across from one of the district's elementary schools, Killian Elementary School. Rowland High School received a six-year WASC accreditation in 2007 as well as being named a California Distinguished School in 1996 and 2004, and a National Blue Ribbon School in 1998. Rowland High School was named a Gold Ribbon School in 2017.