The top reported proficiency rate is 81% in English language arts. The lowest is 55% in Math.
Original Research by School Decision on Heritage Grove Middle School
Heritage Grove Middle School is a traditional public middle school serving grades six through eight in Plainfield, a rapidly growing southwest Chicago suburb in Will County. The school sits in a community that has become one of Illinois's fastest-growing towns, with new subdivisions and residential development continuing to reshape the area around it.
The school serves a student body of moderate size, with enrollment split fairly evenly across the three grade levels. Racially and ethnically, the enrollment is diverse, with roughly equal representation from white, Asian, Hispanic, and other backgrounds. The school's free-or-reduced-price lunch status data was not available, so a parent may want to ask the school directly about the economic profile of its families. Similarly, enrollment counts for students with IEPs and English learners were not provided in the available data.
On state standardized assessments in English language arts, Heritage Grove shows strength. Sixth-grade proficiency sits in the mid-range, but seventh and eighth graders perform at notably higher rates, with the eighth-grade cohort approaching or at rates that place the school in the top quartile relative to other districts in Will County on overall proficiency across all tested subjects and grades. Math performance is more uneven. Sixth and seventh graders show modest proficiency rates around the midpoint, while eighth grade improves to the mid-to-upper range. Science results, available only for eighth grade, show solid performance. Across all three subjects, participation rates are very high, showing that assessment data reflects nearly the full student body.
When measured against the full set of middle and high schools in Will County on overall proficiency index, Heritage Grove ranks in the top quartile, a meaningful distinction among its peers. The comparison does not include graduation rates or chronic absenteeism rates because neither metric applies to a middle school that does not serve high school students.
The school's location in Plainfield places it in a community with an active residential real estate market. Home values in the ZIP code are solidly middle-class, and rental rates are accessible to many households. The housing market shows steady activity and moderate affordability relative to state and national benchmarks. Parents considering homes in the area should be aware that Plainfield School District 202, which operates Heritage Grove, recently approved high school attendance boundary changes to take effect in the 2026-27 school year to address overcrowding, reassigning students from ten named subdivisions to different high schools. While this does not directly affect middle school placement, it signals growth pressures in the district and is worth discussing with current or prospective neighbors.
The district itself is managing significant budget headwinds. It was reclassified from a higher-funding tier to a lower one under Illinois's state formula, resulting in a substantial annual funding decrease that may lead to staffing and program reductions beginning in 2026-27. For families at Heritage Grove, this could mean pressure on class sizes, elective offerings, and supplemental support in the near term. On a positive note, all 29 schools in the district, including Heritage Grove, earned a commendable state designation in the most recent evaluation cycle, and the district rolled out a redesigned kindergarten model in fall 2025 with additional classroom support, reflecting some instructional priorities in place.
State assessment data breaks down by grade level and subject, and the data shows no year-to-year trend information, so whether the school is moving in any particular academic direction cannot be determined from what is available. A parent interested in the school's trajectory, specific course offerings, extracurricular programs, or staffing details may want to contact the school directly or request a campus visit.
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