Lisbon CCSD 90

Lisbon CCSD 90 has one listed school, Lisbon Grade School, serving kindergarten through grade 8 with 121 students. Most importantly, its 2025–2026 all-grade IAR results were above state results in both subjects: 84% in ELA versus 56% statewide, and 59% in math versus 40% statewide.

Lisbon Grade School is both the highest- and lowest-ranked school in this list because it is the only one; there is no meaningful comparison among local schools. Its strongest reported 2025–2026 grade-level margin over the state was in fifth-grade math, at 44 percentage points (80% versus 36%). Its smallest was in sixth-grade math, at 16 points (52% versus 36%). Results varied across grades: ELA ranged from 82% in eighth grade to 100% in sixth, while math ranged from 52% in sixth grade to 80% in fifth. All reported grade-level results were above their corresponding state figures.

All-grade results fell from the prior year, though the school remained above state levels: ELA declined 9 percentage points, from 92% in 2024–2025 to 84%, while its lead over the state narrowed by 12 points; math fell 15 points, from 75% to 59%, and its lead narrowed by 17 points. Science scores rose in both tested grades: fifth-grade results increased 4 points to 80%, while eighth-grade results rose 13 points to 77%; the state comparison improved for eighth grade but the lead narrowed for fifth. SchoolDigger gives the district five stars and ranks it 31st of 738 districts, at the 96th percentile; the school’s percentile was 94th in 2025–2026, down 2 points from the year before. Context figures include a 10.3:1 student–teacher ratio and 6% free/reduced lunch eligible in 2024–2025, and chronic absenteeism of 6% in 2025–2026 versus 24% statewide.