Summary:
Zip code 61356 has three elementary schools in Princeton Education Service District 115: Douglas serves prekindergarten through kindergarten, Jefferson serves kindergarten through grade 3, and Lincoln serves grades 3–4; enrollments are close, from 211 to 220 students. Only Lincoln has reported IAR scores, so the data cannot establish an achievement ranking among all three schools. The clearest positive achievement finding is that Lincoln’s 2025–2026 proficiency was above the state figure in both subjects in both grades: by 23 points in grade 3 ELA, 12 in grade 4 ELA, 8 in grade 3 math, and 20 in grade 4 math.
Lincoln stands out for having the lowest chronic absenteeism, while Douglas has the highest: in 2025–2026, their rates were 11% and 24%, respectively, a 13-point gap. Jefferson was in between at 17%. Lincoln’s rate was 7 points below the state and district rates; Douglas was fractionally above the state rate and 6 points above the district. Douglas also has the highest student-teacher ratio, 18.2, compared with 12.0 at Lincoln and 11.7 at Jefferson.
Lincoln’s all-grades results improved from 2024–2025 to 2025–2026: ELA rose from 58% to 69%, and math from 56% to 60%. Its advantage over the state widened by 8 points in ELA and 2 points in math. SchoolDigger also moved Lincoln from the 62nd percentile and three stars in 2023–2024 to the 75th percentile and four stars in 2025–2026. As context, the schools’ free/reduced lunch eligible shares for school year 2024–2025 were 45% at Jefferson, 42% at Douglas, and 46% at Lincoln; these figures are similar, while attendance and student-teacher ratios vary more.
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