St. Junipero Serra Catholic School is a Quad-Parish Preschool-Grade 8 school serving the parishes of Holy Trinity Catholic Church (Ladera Ranch), Santiago de Compostela Catholic Church (Lake Forest), Solano Catholic Church (Rancho Santa Margarita), and St. Kilian Catholic Church (Mission Viejo). Our two pillars, Catholic Identity and Academic Excellence, reflect our commitment to providing a world-class educational experience that is enriched in faith formation and exceptional academics.