Summary:
ZIP code 90278 has three high schools serving grades 9–12: Redondo Union High, Patricia Dreizler Continuation High, and Redondo Beach Learning Academy. The reported results show two very different academic profiles, while the Academy has no supplied test scores. The most important finding is that Redondo Union was well above California averages in all three reported subjects, while Dreizler was below the state in each.
Redondo Union stands out at the top among schools with results: in 2025–26, 77% of students were proficient in English language arts (ELA), 54% in math, and 56% in science—37, 54, and 48 percentage points above Dreizler, respectively. Union also exceeded California averages by 27 points in ELA, 15 in math, and 20 in science. Dreizler’s results were 40% in ELA, 0% in math, and 8% in science, below state averages by 9, 38, and 28 points. SchoolDigger placed Union at the 90th statewide percentile and Dreizler at the 23rd. Union’s graduation rate was 98%, compared with Dreizler’s 89%.
Recent changes differ by subject: the two schools’ simple average ELA score rose from 51% in 2024–25 to 58% in 2025–26, while their average science score fell from 49% to 32%; math edged up from 26% to 27%. Within that pattern, Dreizler’s ELA improved from 27% to 40%, but its science score declined from 38% to 8%; Union’s science also fell, from 60% to 56%. SchoolDigger’s recent rankings fluctuated rather than showing a steady rise or fall: Union moved from the 89th to 92nd to 90th percentile, and Dreizler from the 23rd to 18th to 23rd. In 2024–25, student-teacher ratios were 25.3 at Union, 8.5 at Dreizler, and 5.8 at the Academy; free/reduced lunch eligible shares that year were 18% at Union and 27% at Dreizler. The Academy’s enrollment was 6, and it has no supplied test scores or low-income measure.
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