Summary
Delano High is a public high school serving grades 9–12 in Delano, California, with 1,221 students in the Delano Joint Union High district. For 2025–2026, SchoolDigger ranks it 646th of 2,137 California schools, at the 70th percentile, with 3 stars. Overall, the clearest finding is that ELA is a standout strength, while math and attendance are the more pressing concerns.
Delano’s ELA result is its strongest comparison: 71% of students were proficient, the highest among the 11 nearby schools reviewed, versus 49% statewide and 69% districtwide. That edged Cesar E. Chavez High and Robert F. Kennedy High, both near 69%. Math proficiency was 34%—third-highest among nearby schools, but below the state’s 38% and the district’s 35%; science was 35%, close to the state’s 36% but below the district’s 38%. Graduation is another strength: 98%, compared with 98% districtwide and 88% statewide. However, chronic absenteeism was 22%, above the district’s 18% and the state’s 18%.
Results have generally improved over time: ELA rose from 65% in 2022–2023 to 71% in 2025–2026, and science climbed from 19% to 35%. Math also improved, from 26% to 34%, though it remains below state and district results. Science is close to the state overall, but the 12th-grade result was only 10%, compared with 33% statewide. Chronic absenteeism has fallen from 32% since 2021–2022, but increased from 19% in 2024–2025. In 2024–2025, 93% of students were free/reduced lunch eligible; the student–teacher ratio was 20.8:1. SchoolDigger’s statewide measure of how well the school serves Special Education Students rose sharply, from the 8th percentile in 2023–2024 to the 83rd in 2025–2026, compared with the school’s overall 70th percentile that year. Its measure for Migrant Students was also high, at the 91st percentile in 2025–2026.
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