The top reported proficiency rate is 75% in English language arts. The lowest is 59% in Math.
Original Research by School Decision on Macarthur Middle School
MacArthur Middle School serves grades 6-8 in Prospect Heights, a residential suburb about 26 miles northwest of Chicago. The school has an enrollment of roughly 465 students, distributed fairly evenly across the three grades. The student body is predominantly white, with Asian, Hispanic, and mixed-race students also represented. Demographic data on free or reduced-price lunch eligibility and English learner status were not available.
The school's academic performance shows mixed results. In English Language Arts, performance ranges considerably by grade. Sixth graders performed well on state assessments, while seventh and eighth graders showed stronger proficiency. Mathematics proficiency is more uniform across grades 6-8, clustering around the lower-to-middle range. In science, eighth-grade results were solid. Overall, the school's proficiency index places it in the top quartile when compared against other schools in Cook County, though specific score trends over time were not available because state assessment methodology changed this year, affecting trend comparability.
The data raises one notable gap: state testing results do not appear for grades 3, 4, and 5. This occurs because MacArthur is a middle school serving only grades 6-8; Illinois state assessments are administered at those grade levels, but the school has no elementary students, so those grades simply do not appear in its results. This is an artifact of the school's grade band, not a missing-data problem.
Prospect Heights itself is a primarily single-family residential community with homes traditionally set on half-acre minimum lots. The area has added multifamily housing and growing commercial activity, particularly along the Milwaukee Avenue corridor and around Chicago Executive Airport. The setting is auto-oriented; civic life centers on the town crossroads at Milwaukee and Palatine Roads, where City Hall, the library, police and fire facilities cluster. A Metra station on the North Central Service line opened in the community and provides zone-3 commuter rail access. The housing market here sits squarely in the mid-range for Cook County, with home values and rents lower than county medians. The area is described as established with limited available land for new development, suggesting a stable but not rapidly growing residential base.
The district itself, Prospect Heights School District 23, faces a significant constraint. Voters have rejected three consecutive referendums, most recently in April 2025, that would have funded full-day kindergarten expansion and facility improvements. Illinois now requires all districts to offer full-day kindergarten before the 2027-28 school year. Without approved referendum funding, District 23 will need to implement full-day kindergarten through budget reallocations, which district officials have warned will likely require larger class sizes and cuts to programs districtwide. This is a material consideration for families evaluating schools in this district. The district has also committed to a three-year adoption of Ready Math curriculum beginning in 2025-26, developed in partnership with feeder high school districts and emphasizing student discussion-based learning, which will shape math instruction across K-8.
MacArthur Middle School is a regular public school without magnet or charter designation. A parent choosing this school should understand that it serves a stable, established community and delivers proficiency outcomes in the upper tier for its county context, but enrollment comes with the district's unresolved funding constraint around kindergarten expansion and the programmatic adjustments that may follow if that constraint is not addressed before 2027-28.
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