Summary
Claremont High serves 2,065 students in grades 9–12 in Claremont, within Claremont Unified. The school combines strong test results with high graduation and low dropout rates: in 2025–2026, 98% of students graduated and 1% dropped out. Chronic absenteeism was 18%, close to the state’s 18% but above the district’s 14%. The clearest takeaway is that students perform above the state in all three tested subjects, though math is a relative weak spot compared with the district.
Among nearby comprehensive high schools serving grades 9–12, Claremont ranked second in English, math and science, behind Bonita High in each subject. Claremont’s proficiency was 76% in English, 52% in math and 59% in science—about 11, 16 and 21 points above the nearby-school averages, respectively. Compared with California, it was ahead by about 27 points in English, 13 in math and 23 in science. Against Claremont Unified, however, it was 12 points higher in English and 6 higher in science, but 3 points lower in math. This makes math the main area to watch relative to the district, despite results well above the state and nearby-school average.
Scores have improved since 2022–2023: English rose 8 points, math 11 and science 17, although math fell 4 points from its 2024–2025 result. SchoolDigger ranks Claremont 207 of 2,137 California schools, at the 90th percentile with 5 stars; the district ranks 214 of 968, at the 78th percentile with 4 stars. Claremont’s student-teacher ratio was 22.5 in 2024–2025, and 34.5% of students were free/reduced lunch eligible that year. Student-group rankings show notable shifts: English Language Learners moved from the 29th percentile in 2022–2023 to the 98th in 2023–2024, while African American students’ ranking fell from the 95th percentile in 2024–2025 to the 76th in 2025–2026. These statewide rankings are comparisons between schools, not direct measures of individual students’ progress.
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