Summary
Yuba Feather Elementary is a small K–6 school in Challenge, California, with 96 students, in the Marysville Joint Unified district. Its 2025–2026 proficiency rates were 29% in English language arts (ELA), 11% in math, and 8% in science. The most important finding is that results were below state averages in every subject, by 21 percentage points in ELA, 27 in math, and 28 in science.
ELA is the school’s strongest subject compared with nearby schools, the district, and the state, while math and science are bigger concerns. Yuba Feather’s ELA rate of 29% was below the district’s 34% and the state’s 49%, but it was closer to those benchmarks than the school’s other subjects. Its math rate of 11% compared with 21% districtwide and 38% statewide; science was 8%, versus 22% and 36%. Nearby-school averages were 39% in ELA, 33% in math, and 28% in science, leaving Yuba Feather lower by 11, 21, and 19 points, respectively. Among nearby schools with results, it ranked fourth-lowest of 10 in ELA, second-lowest of 10 in math, and lowest of seven in science.
Math and science fell sharply from the prior year: math dropped from 32% to 11%, and science from 33% to 8%; ELA slipped from 32% to 29%. SchoolDigger’s overall ranking also fell from the 38th percentile and 2 stars in 2024–2025 to the 7th percentile and 0 stars in 2025–2026. The 2024–2025 student-teacher ratio was 17.9, below the nearby-school average of 19.9. In 2024–2025, 87% of students were free/reduced lunch eligible, a high share among nearby schools. SchoolDigger’s measure of how well the school serves Low Socio Economic Status Students shifted from the 81st percentile in 2024–2025 to the 5th percentile in 2025–2026, compared with overall rankings of the 38th and 7th percentiles.
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