Summary
Muraoka (Saburo) Elementary serves 832 students in kindergarten through grade 6 in Chula Vista, within the Chula Vista Elementary district. Its latest proficiency results are above district and state levels in English language arts (ELA), math and science. The clearest takeaway is that students’ results are strong overall, with all three subjects outperforming the state.
Science is the school’s strongest subject compared with nearby schools, while math is its weakest. In 2025–26, proficiency was 54% in science, 64% in ELA and 54% in math; among 11 nearby schools, those results ranked fourth, sixth and seventh, respectively. Nearby averages were 50% in science, 63% in ELA and 56% in math. Muraoka was above the state by 18 points in science, 15 in ELA and 15 in math, and above the district by 14, 9 and 8 points, respectively. Math is a particular area to watch in grades 5 and 6: Muraoka ranked eighth among the 11 schools in grade 5 math and ninth in grade 6, even though its results remained above district and state levels.
Results have risen overall since 2022–23: ELA increased about 2 points, math about 2 and science about 5. Science was uneven, falling from 49% in 2022–23 to 37% in 2024–25 before reaching 54% in 2025–26. SchoolDigger ranks Muraoka 1,159th of 5,804 statewide, at the 80th percentile with 4 stars; five nearby schools have higher percentiles and five lower. Its SchoolDigger group rankings vary notably: the school is at the 97th percentile for serving African American students, compared with 80 overall, and the 47th percentile for serving multi-racial students. In 2024–25, its student–teacher ratio was 21.8, versus a nearby average of 22.5; 33% of students were free/reduced lunch eligible, compared with a nearby average of 39%.
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