Summary:
Zip code 61088 has four schools serving students from prekindergarten through grade 12: Dorothy Simon Elementary School (PK–2), Jean McNair Elementary School (grades 3–5), Winnebago Middle School (grades 6–8), and Winnebago High School (grades 9–12). The clearest takeaway is that results vary substantially by school and subject: the middle school’s latest ELA results were well above the state, while Jean McNair’s all-grades ELA results were below it.
Winnebago Middle School stands out for 2025–26 IAR ELA: 67% of students were proficient, about 10 percentage points above the state result. Jean McNair Elementary School was the weakest of the schools with reported all-grades IAR results in ELA, at 47%—9 points below the state. Its math result was 39%, less than a point below the state; the middle school’s 40% math result was about level with the state. At the high school, 46% were proficient in 11th-grade ACT math, 6 points above the state. Science was another relative bright spot: grade 8 at the middle school was 9 points above the state, and grade 5 at Jean McNair was 5 points above. Dorothy Simon Elementary School has no test scores reported.
Recent changes are mixed: Winnebago Middle School’s all-grades ELA rose from 49% to 67% between 2024–25 and 2025–26, while Jean McNair Elementary School’s fell from 52% to 47%. At Winnebago High School, ninth-grade PreACT math climbed 16 points, even as 11th-grade ACT ELA fell 10 points. SchoolDigger’s 2025–26 rankings place the high school at the 70th percentile, the middle school at the 60th, and Jean McNair at the 38th; these are rankings, not proficiency rates. All four schools reported free/reduced lunch eligible for 2024–25, ranging from 28% at the high school to 33% at Jean McNair. These figures are context, not explanations of results. Because schools serve different grades and Dorothy Simon has no supplied test scores, the data do not support a single fair ranking of all four.
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