Summary:
Zip code 92003 has three Bonsall Elementary, Norman L. Sullivan Middle, and Bonsall High—serving kindergarten through grade 12 in Bonsall Unified, with 1,820 students combined. The clearest area-wide concern is math: the schools’ unweighted average was 32%, compared with 38% statewide, largely because the high school’s result was much lower than the other schools’. That makes the high school’s math proficiency the most important concern across these schools.
Sullivan Middle stands out at the top, leading in all three 2025–2026 all-grade subjects: 52% in ELA, 42% in math, and 44% in science, versus state results of 49%, 38%, and 36%. Bonsall Elementary also exceeded the state in all three subjects, with 50% in ELA, 41% in math, and 37% in science. Bonsall High had the widest subject contrast: 51% in ELA, but 14% in math and 32% in science. The math results span 28 points from Sullivan to the high school; among 11th graders, the high school was 18 points below the state in math.
Recent results show different paths by school: from 2024–2025 to 2025–2026, the three-school average fell 2 points in ELA, declined by less than 1 point in math, and rose 1 point in science. Sullivan’s math improved by 6 points, while high-school math fell by 5; high-school science rose by 8 points even as elementary and middle science declined. SchoolDigger’s statewide percentile rank moved from 55th to 47th for the high school, from 72nd to 60th for elementary, and from 68th to 69th for Sullivan. In 2024–2025, student–teacher ratios were 16.0 at the high school, 22.3 at Sullivan, and 24.1 at elementary; the reported free/reduced lunch eligible shares that year were 67%, 55%, and 45%, respectively. These figures are context, not explanations for school results.
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