Summary:
ZIP code 95634 has four schools in Black Oak Mine Unified: two elementary schools, a K–12 alternative school and a high school. Among the two schools with reported 2025–2026 proficiency results, the average was below the state in every subject: 34% in ELA versus 49% statewide, 28% in math versus 38%, and 24% in science versus 36%; math was the closest to the state. Otter Creek Elementary and Divide High have suppressed school score values, and the schools’ different grade spans make all-grades comparisons imperfect.
American River Charter stands out for ELA and science, with 35% proficient in each, and for the lowest chronic absenteeism rate: 2%, compared with 18% statewide. Georgetown Elementary led in math at 33%, 11 points above American River; Georgetown sixth graders also exceeded state results by 1 point in ELA and 9 points in math. Absenteeism was much higher at Otter Creek (38%) and especially Divide High (92%), versus 18% statewide. These attendance figures distinguish the schools, but the suppressed scores mean Otter Creek and Divide cannot be placed above or below the others on proficiency.
Recent results moved in different directions: from 2024–2025 to 2025–2026, the two-school average fell 5 points in ELA and 21 points in science, while rising 2 points in math; statewide, results rose in all three subjects. SchoolDigger placed Georgetown in the 37th percentile in 2025–2026, down from 50th the prior year but up from 24th in 2023–2024; it rates Black Oak Mine Unified 588th of 968 districts, in the 39th percentile, with two stars. Student-teacher ratios were 29.5 at American River and 24.6 at Georgetown. All four schools reported free/reduced lunch eligible shares for 2024–2025, ranging from 38% at American River to 78% at Divide High; these figures provide context, not an explanation for school results.
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