Summary:
ZIP code 95991 has three high schools serving grades 5–12: Yuba City High serves grades 9–12, Albert Powell Continuation serves grades 10–12, and AeroSTEM Academy serves grades 5–12; enrollment ranges from 116 to 1,678 students. The most important area-wide finding is how much results differ by school: 2025–2026 all-grades proficiency spans 36 points in ELA, 34 in math, and 32 in science.
The schools lead in different subjects. Yuba City High leads ELA at 51%, 2 points above California’s 49%; AeroSTEM leads math at 34% (4 points below the state’s 38%) and science at 42% (6 points above the state’s 36%). Albert Powell has the lowest result in every subject: 15% in ELA, 0% in math, and 10% in science—34, 38, and 26 points below state rates. In 11th grade, Yuba City High leads ELA at 51%, compared with 21% at AeroSTEM and 15% at Albert Powell; Yuba City and AeroSTEM are closer in math (17% and 14%) and science (22% and 21%). All three schools are below state rates in all three 11th-grade subjects.
Across the three schools, unweighted average ELA proficiency fell from 46% to 37% between 2024–2025 and 2025–2026, and math edged down from 18% to 17%; science rose from 23% to 25%, but the average gaps below the state widened in all three subjects. SchoolDigger’s rankings also moved down for Yuba City High (from the 55th to the 40th percentile) and Albert Powell (18th to 9th); AeroSTEM is at the 26th percentile, with no earlier ranking available. Other outcomes differ too: Yuba City’s graduation rate is 92% and chronic absenteeism is 13%, while Albert Powell’s absenteeism is 63% and AeroSTEM’s is 40%. For 2024–2025, free/reduced lunch eligible figures are 71% at Yuba City, 80% at Albert Powell, and 77% at AeroSTEM; student-teacher ratios are 21.0, 12.7, and 18.7, respectively. These measures provide context, but do not by themselves explain the proficiency differences.
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