Fast Facts - Santa Margarita Catholic High School IB World School: The only Catholic International Baccalaureate high school in the county SMCHS offers a rigorous full diploma program and the opportunity for students to take IB courses
History - Santa Margarita Catholic High School Nestled against the Saddleback Mountains, Santa Margarita Catholic High School began as a dream of the late Bishop William R Johnson, who saw the need and potential for a Catholic high school in South Orange County
Tuition - Santa Margarita Catholic High School Tuition 2026-2027 school year rates will be published in February of 2026 The 2026-2027 registration fee is $700 IB Full Diploma Candidates Course Candidates Other Financial Obligations