Summary:
ZIP code 92337 has one middle school, Southridge Technical Middle, serving grades 6–8 with 923 students, so families have no other middle school in this list to compare against. The most important finding is that in 2025–2026 Southridge outperformed Fontana Unified in all three subjects but remained below California statewide in all three.
There is no separate top- or bottom-performing school in the ZIP code; within Southridge’s results, ELA was closest to the state, while mathematics had the largest gap. About 47% of Southridge students were proficient in all-grades ELA, compared with 49% statewide, a gap of 3 points; in mathematics, the figures were 30% and 38%, a gap of 9 points. Science was 32% at Southridge versus 36% statewide, a 4-point gap. Against its district, Southridge was ahead by 6 points in ELA, 3 in mathematics, and 7 in science.
Results improved in all three subjects from 2024–2025 to 2025–2026, and the state gaps narrowed: Southridge gained 6 points in ELA, 9 in mathematics, and 5 in science, while its gaps narrowed by 5, 8, and 2 points, respectively. Mathematics nevertheless remains the clearest grade-level concern: Southridge was 1 point below the state in grade 6, 8 below in grade 7, and 11 below in grade 8. SchoolDigger’s percentile rank rose from 41 in 2024–2025 to 52 in 2025–2026, and its rating went from 2 to 3 stars. For additional context, the school’s student–teacher ratio was 25.2 in 2024–2025, and 75% of students were free/reduced lunch eligible that year; these figures do not explain the test results.
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