Summary:
Zip code 92359 has one listed school, Mentone Elementary, serving kindergarten through grade 5, with 378 students. In 2025–2026, 41% of students were proficient in ELA, 29% in math, and 24% in science, compared with 49%, 38%, and 36% statewide. The most important finding is that the school was below state results in all three subjects, with the largest gap in science: 12 percentage points.
There is no meaningful school-to-school top or bottom in this list, since Mentone is the only school; within the school, however, grade-level results differ substantially. Grade 5 was the strongest: ELA proficiency was 53%, 3 points above the state, and math was 37%, 1 point above. Grades 3 and 4 were below state results in both subjects. The widest gaps were in grade 4 math, at 22% versus 42% statewide—a 20-point shortfall—and grade 3 math, at 29% versus 47%, an 18-point shortfall. Grade 4 ELA was 31% versus 46% statewide, 14 points lower.
Recent results show worsening ELA and math comparisons with the state, while science improved slightly. From 2024–2025 to 2025–2026, Mentone’s ELA proficiency fell from 44% to 41% and math from 33% to 29%; the gaps with the state widened by 4 and 5 points, respectively. Science rose from 20% to 24%, and its gap narrowed slightly, though the school remained 12 points below the state. SchoolDigger ranked Mentone in the 39th percentile in 2025–2026, down 6 percentile points from 2024–2025. The student-teacher ratio was 25.2 to 1 in 2024–2025, and the reported free/reduced lunch eligible measure was 79% that year; California’s statewide free-meals indicator provides context, not an explanation for results.
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