Summary:
Elementary schools in ZIP code 61373 consist of one school, Waltham Elementary School, which serves prekindergarten through eighth grade and enrolls 246 students. In 2025–2026, its all-grades results were above Illinois averages in both subjects: about 75% versus 56% in English language arts (ELA), an 18-point advantage, and 50% versus 40% in math, a 10-point advantage. Chronic absenteeism was also much lower than the state’s: 2% compared with 24%, or 21 points lower. The most important finding is that Waltham’s overall achievement is substantially above state averages, especially in ELA.
Within Waltham, the strongest reported grade-level results were eighth-grade ELA at 95% and third-grade math at 74%; the weakest were fifth-grade ELA at 50% and fifth-grade math at 33%. Fifth grade is the only reported grade below Illinois in both subjects: ELA was 5 points below the state, and math was 3 points below. By contrast, eighth-grade ELA was 32 points above the state. These differences show why the strong all-grades results do not tell the whole story for every grade. Because this is the only school in the list, there is no local school-to-school comparison.
Results improved from 2024–2025 to 2025–2026: all-grades ELA rose 4 points and math rose 4 points, while state results increased by 3 points and 1 point, respectively. Science also gained ground: fifth-grade results rose 19 points and eighth-grade results rose 18 points, with the school’s state advantages reaching 13 and 24 points. SchoolDigger lists Waltham at the 69th percentile, ranked 534 of 1,737 schools, with 3 stars in 2025–2026; its percentile rose from 58th in 2023–2024. The student-teacher ratio was 10.4 in 2024–2025, and 19% of students were free/reduced lunch eligible in 2021–2022; that income measure is earlier than the achievement data.
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