Casillas Elementary in Chula Vista — named for Joseph Casillas, a World War II Purple Heart recipient who saved his squad during the Battle of the Bulge — serves 468 students in grades K through 6 at 1130 East J Street. The CVESD campus maintains a 19:1 student-teacher ratio across 25 full-time instructors, with graduates feeding directly into Chula Vista Middle School for the seventh-grade transition. Forty-five percent of Comets score proficient or above in math and 53 percent reach that benchmark in English language arts on the CAASPP, performance metrics the school targets through a standards-based academic program designed to prepare students for middle and high school rigor. The school operates as a Title I Schoolwide campus, meaning every enrolled student qualifies for supplemental academic support funded through federal allocation — a resource layer that extends to family-facing services at Learning Resource Center and Library. Joseph Casillas was shot in the head and arm while shielding fellow soldiers, then captured by German forces before American troops liberated his position — a combat record the CVESD board honored by naming the East J Street campus after his service.