Summary:
Zip code 90640 has three Montebello Intermediate, La Merced Intermediate and Eastmont Intermediate, all part of Montebello Unified and serving grades 6–8; enrollment ranges from 562 to 733. In 2025–2026, every school scored below state proficiency rates in ELA, math and science: the schools’ average was 36% in ELA, 22% in math and 21% in science, versus state results of 49%, 38% and 36%. The biggest shared shortfall is in math, where the schools’ average was 17 percentage points below the state.
No one school leads across all subjects. Eastmont had the highest all-grade ELA result at 39%, just 1 point above Montebello at 38%; La Merced was lowest at 30%. In math, Montebello led at 22%, but the three schools were tightly grouped, with only a 1-point spread. La Merced led science at 23%, ahead of Eastmont at 22% and Montebello at 19%. The grade-level leaders also vary: Eastmont led ELA in grade 6, while Montebello led in grades 7 and 8; Eastmont led math in grades 6 and 7, and La Merced led in grade 8.
Average results improved from 2024–2025 to 2025–2026, especially in science: up 5 percentage points, compared with 1 point each in ELA and math. Montebello improved in all three subjects; La Merced’s science rose 8 points even as its ELA was nearly unchanged and math fell 2 points; Eastmont’s science and math rose 2 and 1 points, while ELA fell 2. SchoolDigger’s 2025–2026 statewide percentile ranks were 32 for Montebello, 25 for La Merced and 33 for Eastmont; ratings were 2 stars, 1 star and 2 stars, respectively. Student-teacher ratios are similar, at 21.2–21.7. For 2024–2025, free/reduced lunch eligible measures were 90% at Montebello, 92% at La Merced and 92% at Eastmont; these are context, not an explanation for results. These two years of scores show recent movement, not a long-term trend.
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