Castle Park High School in Chula Vista has educated Trojans on a 46-acre campus at 1395 Hilltop Drive since September 1963, operating within the Sweetwater Union High School District as a four-year public high school. Approximately 1,980 students and 93 full-time-equivalent teachers produce a 21:1 student-teacher ratio, with the campus competing in the CIF Metropolitan Mesa League and channeling graduates toward career-track programs at institutions such as Pima Medical Institute. The motto "Once a Trojan, Always a Trojan" anchors an alumni identity stretching back to the 1963 founding in southwest Chula Vista's 91911 corridor, six miles north of the U.S.-Mexico border. Proposition O bond funding has modernized classrooms and facilities across the Hilltop Drive campus, sustaining infrastructure for a student body where the school serves as the primary neighborhood high school — an athletics and discipline culture that extends through community programs at Bonita Martial Arts Academy & Fitness Federation. The Title I-designated campus offers Advanced Placement and honors-level coursework across core subjects, providing college-preparatory rigor within an attendance zone that also feeds from Castle Park Middle School on Quintard Street.