Summary:
Zip code 61531 has three schools in Farmington Central CUSD 265, serving prekindergarten through grade 12 and enrolling 1,269 students: 633 at the elementary school, 253 at the junior high, and 383 at the high school. The schools show different strengths by level and subject, rather than one consistent pattern; most notably, the junior high’s strong state-relative IAR results contrast with below-state high school ACT results in English and math.
Farmington Central Junior High School stands out most in IAR English: 69% proficient, 13 percentage points above Illinois, with results above the state in all three grades. Its math result was 47%, 8 points above the state. Farmington Central Elementary School is strongest in math, at 50% proficient—11 points above the state—and grade 3 math was 22 points above. Its overall English result matched the state. The clearest relative weakness is at Farmington Central High School: grade 11 ACT English was 3 points below Illinois and math was 7 points below, while science was 2 points above.
Recent results are mixed: elementary overall English rose 7 points and math rose 5; high school grade 11 ACT science climbed 12 points, moving from 11 points below the state to 2 points above. Junior high’s overall IAR advantages narrowed slightly, and grade 8 science fell 11 points, shrinking its state lead from 20 points to 3. SchoolDigger’s 2025–2026 rankings place the junior high highest at the 67th percentile, followed by the high school at the 57th and elementary at the 52nd; over two years, the high school’s percentile rose 20 points while the other two fell. For context, 2024–2025 free/reduced lunch eligible shares were 42% at the junior high, 47% at the elementary, and 38% at the high school; student–teacher ratios were 12.1, 15.8, and 14.2, respectively. These characteristics describe the schools but do not explain their results.
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