Catalina High School (also known as Catalina Magnet High School) is a public high school, located on the north side of Tucson, Arizona, United States. Catalina is a magnet high school in Tucson Unified School District and serves approximately 1300 students in grades 9-12. The school name originates from the Santa Catalina Mountains north of Tucson. The school mascot is the Trojan, and the school colors are royal blue and white.