Summary
Hilmar High serves 696 students in grades 9–12 in Hilmar, California, as part of Hilmar Unified. Its 2025–26 graduation rate was 99%, matching the district and topping the state’s 88%, but proficiency results were much weaker: 43% in English language arts (ELA), 13% in math and 19% in science. The clearest concern is that proficiency is low—especially in math—even alongside a very high graduation rate.
ELA is the school’s strongest result against the district and state: its 43% proficiency was above the district’s 41%, but below the state’s 49%, and close to the 43% average at seven nearby traditional high schools. Math is the clearest weakness, at 13% compared with 24% in the district, 38% statewide and 16% across nearby schools. Science was 19%, slightly above the nearby-school average of 18%, but below the district’s 23% and the state’s 36%. Overall, the comparisons vary by subject, but math falls short across all three groups.
Results have declined since 2022–23: ELA fell 10 percentage points, math 7 points and science 7 points, while state results rose in all three subjects. By 2025–26, the gap to the state was 7 points in ELA, 25 in math and 17 in science. SchoolDigger gave the school 2 stars and placed it in the 32nd statewide percentile, down from the 59th percentile in 2022–23 and below the nearby-school average of 37. Its 2024–25 student-teacher ratio was 19.3, close to the nearby average of 19.8. The school reported that 61% of students were free/reduced lunch eligible in 2024–25; this is context, not an explanation for results. SchoolDigger’s statewide effectiveness ranking for Special Education Students was at the 4th percentile in 2025–26, compared with the school’s overall 32nd percentile. Its Female Students ranking also fell sharply, from the 56th percentile in 2023–24 to the 24th in 2025–26.
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