Summary
Carlsbad High serves 2,336 students in grades 9–12 in Carlsbad, California, within Carlsbad Unified. Its clearest academic strength is English, but the all-grades results conceal a notable weak spot: 12th-grade science proficiency is just 27%.
Carlsbad is strong compared with the state and nearby high schools, though math and science trail its district. In 2025–26, 76% were proficient in English Language Arts/Literacy (ELA), 49% in math and 52% in science. ELA was 27 percentage points above the state and 4 points above the district; math was 10 points above the state but 13 below the district, while science was 16 points above the state and 8 below the district. Carlsbad ranked second among itself and four nearby comprehensive high schools in all three subjects, and exceeded their averages by 13 points in ELA, 9 in math and 7 in science. The 12th-grade science result was below the state’s 33% and district’s 64%, and below reported results for Sage Creek High (65%) and El Camino High (38%).
Science has improved most over time: from 2022–23 to 2025–26, proficiency rose 10 percentage points, compared with 2 points in ELA and 3 in math. SchoolDigger ranks Carlsbad 267th of 2,137 California schools, at the 88th percentile, with four stars. Its 23.8 student-teacher ratio is higher than three of the four nearby comprehensive peers, while its 2024–25 free/reduced lunch eligible measure was 32%; among nearby schools with that measure, only Sage Creek was lower, at 30%. Graduation was 95% in 2025–26, but chronic absenteeism was 20%, 7 points above the district. SchoolDigger’s student-group rankings also show variation in how well the school serves groups: English Language Learner Students were at the 45th percentile in 2023–24, down from 77 the year before, while Special Education Students rose from the 62nd percentile in 2023–24 to the 90th in 2025–26.
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