Best High Schools in Zip Code 95428

Zip code 95428 has two high schools in Round Valley Unified: Round Valley High serves grades 9–12 and enrolls 113 students, while Yolla Bolly Continuation High serves grades 10–12 and enrolls 21. The clearest academic concern is Round Valley’s low reported proficiency: in 2025–2026, 8% were proficient in ELA and 0% in math and science, compared with state rates of 49%, 38% and 36%. Yolla Bolly has no reported test scores, so its tested-subject results cannot be compared. Round Valley’s results are far below state rates in all three reported subjects, making proficiency the most important area-wide concern.

The schools’ graduation and attendance results point in different directions. Round Valley stands out for graduation, at 95% in 2025–2026, compared with 75% at Yolla Bolly—a 20-point difference. Round Valley’s dropout rate was also lower: 5%, versus 25% at Yolla Bolly. But both schools have high chronic absenteeism, especially Yolla Bolly: its rate was 100%, compared with 46% at Round Valley, a 54-point gap. Round Valley’s absenteeism was 28 points above the state rate of 18%; Yolla Bolly’s was 82 points above it. So Round Valley pairs stronger graduation and dropout results with a substantial attendance concern, while Yolla Bolly has the more troubling reported attendance and dropout figures.

Round Valley’s test results declined from 2024–2025 to 2025–2026: ELA fell from 21% to 8%, while math and science each dropped from 5% to 0%; state results rose in all three subjects. Its SchoolDigger ranking also fell, from the 17th percentile in 2023–2024 to the 2nd percentile in 2025–2026, when it received 0 stars. The schools differ in staffing and reported income measures: student–teacher ratios were 9.9 at Round Valley and 30.4 at Yolla Bolly, and their 2024–2025 free/reduced lunch eligible rates were 89% and 95%, respectively. These differences provide context, not explanations for the schools’ outcomes.