Summary:
The Marcum-Illinois Union Elementary area has one listed school, Marcum-Illinois Union Elementary, serving kindergarten through eighth grade and enrolling 179 students. With only one school, there is no meaningful school-to-school comparison; the clearest benchmark is California’s statewide results. In 2025–2026, the school was above the state in all three reported subjects: ELA by 6 percentage points, math by 17 points, and science by 12 points. Its strongest overall advantage was in math.
The school’s grade-level results show both notable strengths and a specific area to watch. Seventh grade stood out: ELA proficiency was 78% versus 51% statewide, a 27-point advantage, and math was 72% versus 38%, a 35-point advantage. Math results were above the state in every reported grade. By contrast, fifth-grade ELA was 43% at the school versus 49% statewide, a 6-point shortfall; it was the only reported grade-subject result below its state comparison. SchoolDigger lists the school at rank 201 of 968, in the 79th percentile, with four stars for its district.
Results changed differently by subject from 2024–2025 to 2025–2026: school ELA fell from 65% to 56%, and math from 62% to 56%, while science rose from 45% to 48%. The school’s leads over the state narrowed by 9 points in ELA, 7 in math, and 1 in science. SchoolDigger’s statewide ranking also rose from the 79th percentile in 2023–2024 to the 84th in 2024–2025, then fell to the 71st in 2025–2026. For additional context, the school reported 30% free/reduced lunch eligible in 2024–2025 and a 17.9 student–teacher ratio that year. Chronic absenteeism was 4%, compared with 3% in the Marcum-Illinois Union Elementary district and 18% statewide.
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