Summary:
Zip code 90621 has one listed high school, Buena Park High, serving grades 9–12 and enrolling 1,682 students, so families have one listed high-school option rather than a choice among nearby schools in this data set. Its clearest academic strength is all-grades ELA, where 50% of students were proficient in 2025–26, about the state’s 49% result; math and science proficiency were notably lower than state results.
Because it is the only school listed, Buena Park High is neither a local top performer nor a laggard relative to other listed schools. Compared with the state, its 2025–26 math result was 24% versus 38%, a 15-point shortfall, and science was 25% versus 36%, an 11-point shortfall. ELA was close to the state overall, but the grade-matched comparison is less favorable: 11th-grade ELA was 8 points below the state. Completion results stand out positively: the graduation rate was 96%, 8 points above the state and 1 point above the Fullerton Joint Union High district. Chronic absenteeism was 19%, close to the state’s 18% but above the district’s 16%.
Scores improved in all three subjects from 2024–25 to 2025–26: ELA rose 9 points, math 4 points, and science 5 points, narrowing the school’s gap to state results in each subject. SchoolDigger’s latest statewide ranking is 1,134 of 2,137, in the 47th percentile with 2 stars; the percentile rose 7 points from the prior year but remains 6 points below 2023–24. The school’s student-teacher ratio is 22.9, and 91% of students were free/reduced lunch eligible in school year 2024–25. These are useful context for families, but with only one listed school they do not provide a local comparison.
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