Summary
Rivera Middle serves 544 students in grades 6–8 in Pico Rivera, within El Rancho Unified. Its most important challenge is that 2025–2026 proficiency was below both state and district results in English language arts, math, and science, with math showing its largest gap to the state.
English language arts is Rivera’s strongest subject relative to the state: 37% of students were proficient, compared with 49% statewide, a gap of 12 percentage points. Math was 24%, versus 38% statewide, and science was 22%, versus 36%; the state gaps were 14 points in each subject. Against the district, Rivera was 6 points behind in ELA, 6 in math, and 4 in science. Locally, Rivera was below six of nine nearby schools in each subject, but was not the lowest in any. Its SchoolDigger percentile was higher than those of North Park Academy of the Arts, Suva Intermediate, and Montebello Intermediate, and lower than six other nearby schools.
Rivera’s state gap has narrowed over time in ELA and math, but widened in science. From 2022–2023 to 2025–2026, ELA proficiency rose from 30% to 37%, narrowing the state gap from 17 to 12 points; math rose from 20% to 24%, with its gap narrowing from 15 to 14 points. Science rose from 17% to 22%, while its gap widened from 13 to 14 points. SchoolDigger rates Rivera at the 34th percentile statewide with 2 stars, up 9 percentile points from 2018–2019. Its student–teacher ratio was 22.2 in 2024–2025, and 87% of students were free/reduced lunch eligible that year. One notable subgroup result: SchoolDigger’s statewide percentile for English Language Learner Students rose from 2 in 2022–2023 to 41 in 2023–2024, while Rivera’s overall percentile stayed near 32 and 31; this is a change in the ranking measure, not a direct measure of proficiency growth.
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