Summary:
Five high schools are listed in ZIP code 92804, all in Anaheim Union High School District: four serve grades 9–12, while Polaris High serves grades 7–12 and Gilbert High (Continuation) is a continuation school. In 2025–2026, the schools’ average proficiency was 26% in English language arts (ELA), 8% in mathematics, and 15% in science, compared with state results of 49%, 38%, and 36%. The clearest area-wide concern is mathematics: the five-school average was 30 percentage points below the state, a larger gap than in ELA or science.
Magnolia High led all three subjects, with 39% proficiency in ELA, 14% in mathematics, and 23% in science—respectively 16, 7, and 10 points above the average of the other four schools. It still fell short of state results in each subject. At the other end, Gilbert High (Continuation) had the lowest results: 9% in ELA, 3% in mathematics, and 4% in science, below the other four schools’ averages by 21, 7, and 14 points. Magnolia High also has a notable grade-specific contrast: its 12th-grade science result was 56%, 23 points above the state, while its 11th-grade result was 21%, 17 points below the state.
Average proficiency weakened from 2024–2025 to 2025–2026: ELA fell by 6 points, mathematics by 3, and science dipped by less than a point, while state results rose in all three. Magnolia High declined in every subject; Gilbert High (Continuation) improved by about 1 point in ELA and mathematics, and Polaris High gained 5 points in science. SchoolDigger’s statewide ranking percentiles also fell from 2023–2024 to 2025–2026 for Magnolia High (55 to 33), Loara High (34 to 24), Western High (51 to 29), and Polaris High (28 to 17); Gilbert High (Continuation) rose modestly from 5 to 8. As context, all five schools reported free/reduced lunch eligible figures of 88%–92% for school year 2024–2025, while ratios range from 11.4 students per teacher at Gilbert High (Continuation) to about 22 at Magnolia High, Loara High, and Western High. Comparisons are not fully like-for-like because Polaris High serves a wider grade span and Gilbert High (Continuation) is a continuation school.
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