Summary:
Schools in ZIP code 95519 include five public schools—three elementary, one middle and one high school—serving kindergarten through 12th grade overall, with Fieldbrook Elementary serving K–8; the clearest finding is that Fieldbrook leads the group in every reported all-grades subject in 2025–26.
Fieldbrook Elementary is the strongest overall: 56% of students were proficient in ELA, 40% in math and 64% in science, about 7, 2 and 28 percentage points above state rates. Its science result was 36 points above the next-highest school. McKinleyville High came second in ELA at 51%, the only other school above the state rate, but its math and science results were below state rates. At the lower end, Dow’s Prairie Elementary had the lowest ELA result at 31%; McKinleyville Middle had the lowest math result at 23%; and Morris Elementary had the lowest reported science result at 27%. The gap between the lowest and next-lowest results was smaller in math and science than in ELA.
Recent changes are mixed: across the four schools with results in both years, the unweighted ELA average rose from 41% to 45% between 2024–25 and 2025–26, math slipped from 29% to 28%, and science rose from 31% to 37%. Fieldbrook drove much of the science gain; excluding it, the other three schools’ average fell from 34% to 28%. SchoolDigger statewide percentile ranks also tell a different story from the latest scores: Fieldbrook’s rank fell from 76 in 2022–23 to 47 in 2024–25, while McKinleyville High rose from 49 to 57; McKinleyville Middle and Morris declined over their recent rank histories. As context, all five schools report the same low-income measure—free/reduced lunch eligible—in 2024–25, with reported shares from 39% at Fieldbrook to 64% at Dow’s Prairie. Fieldbrook’s student–teacher ratio was 15.0 in 2024–25, compared with 28.3 at Morris; these figures describe school contexts, not causes of score differences. Dow’s Prairie has no prior-year scores in these data, and no science result is reported for it.
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