Summary:
ZIP code 92003 has one high school, Bonsall High, serving grades 9–12 and enrolling 342 students. With no other high schools in the ZIP code, families can compare its results with California and Bonsall Unified, but not with local school peers. The clearest concern is math: in 2025–2026, 14% of students were proficient, compared with 38% statewide and 42% in the district.
ELA is Bonsall High’s strongest tested subject relative to the state: 51% were proficient, 2 percentage points above California’s 49%. Science was 32%, 4 points below the state’s 36%. Math is the weakest result, 25 points below the state and 29 points below the district. School completion figures compare favorably with California: the graduation rate was 93% versus 88%, and the dropout rate was 7% versus 8%. Chronic absenteeism, however, was higher at 21% versus 18% statewide.
Results show mixed movement over time: science proficiency rose 8 points from 2024–2025 to 2025–2026, while math fell 5 points and ELA fell 2. The state math result rose 1 point, so the school’s math gap widened by 6 points; science’s gap narrowed from 8 points to 4. SchoolDigger’s ranking also moved down, from the 55th percentile and 3 stars in 2023–2024 to the 47th percentile and 2 stars in 2025–2026. As context, the school had a 16:1 student-teacher ratio in 2024–2025, and 67% of students were free/reduced lunch eligible that year; these figures do not establish what explains its results. Because this ZIP code has only one listed high school, there is no local school-to-school comparison.
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