Summary:
In zip code 95833, the supplied list contains one middle school, Rio Tierra Junior High, serving grades 7–8 in the Twin Rivers Unified district. Because it is the only school listed, families do not have another school in this set to compare it with directly. Its 2025–26 proficiency rates were below state results in ELA, math and science, with the largest shortfall in eighth-grade math.
There is no meaningful peer-based top or bottom school here; compared with the state, Rio Tierra’s results were lower in every reported subject. All-grades proficiency was 26% in ELA, 13% in math and 16% in science, versus 49%, 38% and 36% statewide, respectively. The sharpest grade-specific difference was in eighth-grade math: 6% at Rio Tierra compared with 36% statewide, a 31-point gap. Eighth-grade ELA was also notably lower, at 21% versus 49%, a 28-point gap. Science was the school’s closest result to the state in percentage-point terms, with a 20-point gap.
Results improved from 2024–25 to 2025–26, but progress varied by subject: Rio Tierra rose 5 points in ELA, 1 point in math and 9 points in science. Its gap with the state narrowed by 4 points in ELA and 5 in science, while math remained essentially unchanged. SchoolDigger’s statewide ranking improved from the 5th percentile in 2023–24 to the 13th percentile in 2025–26, when the school ranked 2,355 of 2,703 schools. Context measures include 328 students and a 19.4 student-teacher ratio in 2024–25, plus 93% free/reduced lunch eligible in 2024–25. Chronic absenteeism was 46% in 2025–26, compared with 44% in the district and 18% statewide. The list contains no other school for a like-school comparison.
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