Carrillo Elementary School in Carlsbad operates as a San Marcos Unified School District K–5 campus on Poinsettia Lane, enrolling 756 students near the Poinsettia Park corridor in the 92009 zip code. The Gifted and Talented program and a signature running club—where students log 200-plus miles per year and break through personalized hand-painted banners—mirror the enrichment emphasis found at Carlsbad Village Music for after-school instrument instruction. CAASPP results show 73 percent of students scoring proficient or above in math and 76 percent in English language arts, outperforming both the San Marcos Unified district average and the statewide baseline. The school garden, student library, and annual community events including a Halloween night and father-daughter dance are supported through PTO fundraising and volunteer coordination backed by organizations like the Carlsbad Library & Arts Foundation. U.S. News ranks the campus 451st among California elementary schools, placing it in the upper third statewide. Twenty-nine full-time equivalent teachers maintain a 26-to-1 student-teacher ratio, with grade-level teams delivering differentiated instruction across reading, writing, and STEM modules.