Summary:
Cass School District 63 has two schools serving prekindergarten through grade 8: Concord Elementary School serves prekindergarten through grade 4, and Cass Junior High School serves grades 5–8. Both schools’ 2025–2026 all-grades results exceeded Illinois results in English language arts (ELA) and mathematics, but each school leads in a different subject—a more useful takeaway than naming one overall winner.
Cass Junior High School stands out in ELA: 76% were proficient, compared with 70% at Concord Elementary School and 56% statewide. In mathematics, Concord leads: 70% proficient versus 48% at Cass Junior High and 40% statewide. The junior high’s math result varies by grade: its grade 6 result was just 2 points above the state, while grade 7 was 20 points higher. Its science results also topped state results in both reported grades: 65% versus 48% in grade 5, and 74% versus 52% in grade 8. These all-grades school comparisons combine different grade spans, so they are summaries rather than same-grade comparisons.
Results rose at both schools from 2024–2025 to 2025–2026, though not always faster than statewide results. ELA increased 1.6 points at Concord and 1.9 at Cass Junior High, while the state rose 3.2 points; mathematics increased 1 point at Concord and 3 points at Cass Junior High, compared with 1 point statewide. SchoolDigger ranked Concord at the 84th percentile and Cass Junior High at the 76th percentile in 2025–2026; Cass had fallen 10 percentile points from the prior year, while Concord stayed at 84. Chronic absenteeism was 8% at Concord and 5% at Cass, versus 24% statewide. For context, free/reduced lunch eligibility in 2024–2025 was 22% at Concord and 24% at Cass; student-teacher ratios were 12.2 and 11.8, respectively.
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