Summary:
ZIP code 93230 has seven high schools: six serve grades 9–12 in Hanford Joint Union High, and J. C. Montgomery, in Kings County Office of Education, serves grades 7–12. The group includes large campuses as well as smaller and alternative programs. In 2025–2026, the unweighted averages among schools with reported results were 43% in English language arts (ELA), 19% in math, and 27% in science, all below state results of 49%, 38%, and 36%. The clearest overall finding is the wide variation between schools, with Sierra Pacific High above the state in all three subjects.
Sierra Pacific leads in ELA at 67%, math at 39%, and science at 38%; its results exceed the state by 17, 1, and 2 percentage points, respectively. Hanford West High is the next strongest overall, with 56% in ELA, 31% in math, and 31% in science; its ELA result is 6 points above state, while its math and science results are below. At the lower end, Earl F. Johnson High has the lowest reported ELA and math results, at 14% and 3%. Hanford Online Charter has the lowest reported science result, 10%, about 20 points below the next-lowest numeric result. Current proficiency results for Hanford Community Day and J. C. Montgomery are suppressed, so they cannot be compared on these results.
Average results moved toward the state between 2024–2025 and 2025–2026: the comparable-school averages rose about 1 point in ELA, 7 in math, and 6 in science, while state results rose less than 1, 1, and 3 points. Gains were not universal: Hanford West gained 18 points in math and 11 in science, while Hanford High fell 9 points in ELA. SchoolDigger ranks Sierra Pacific at the 74th percentile with four stars, compared with Hanford West at the 60th percentile with three stars. For context, 2024–2025 free/reduced lunch eligible shares were 59% at Sierra Pacific, 78% at Hanford West, and 84% at Hanford High; these figures describe eligibility, not the cause of school results.
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