The top reported proficiency rate is 33% in English language arts. The lowest is 16% in Science.
Original Research by School Decision on G Stanley Hall Elem School
G Stanley Hall Elementary is a small, diverse public elementary school serving kindergarten through fifth grade in Glendale Heights, a residential suburb about 25 to 30 miles west of Chicago in DuPage County. The school sits within Marquardt School District 15, which adopted a new strategic plan in late 2024 that establishes a districtwide "Portrait of a Graduate" framework meant to guide curriculum and school improvement across the district's four elementary schools and middle school through 2030. The district has also formalized a schedule of six half-day school improvement days per year, typically on select Wednesdays and Thursdays, where students receive shortened instruction while staff do planning work—a recurring arrangement families should know about when considering routines and childcare.
The school enrolls a student body that reflects significant demographic diversity. Hispanic or Latino students make up the largest share, with substantial populations of Asian, white, and Black students also present. Exact free-or-reduced-price lunch counts were not available in the data, so a parent may want to inquire about economic diversity and support resources directly with the school.
On state math and English-language arts assessments given in the 2024-2025 school year, G Stanley Hall's results show areas that warrant close attention. In third-grade math, about a quarter of students tested at proficient levels, with the proportion rising slightly in fourth grade to around a third. Fifth-grade math proficiency dropped to below a sixth of students tested. English results tracked similarly: third grade around a quarter proficient, fourth grade approaching half, fifth grade around a third. Science testing is administered only in fifth grade statewide; at G Stanley Hall, just under a sixth of fifth graders tested at proficient levels in science. When compared against the district's peer schools within DuPage County, G Stanley Hall's overall proficiency index places it in the bottom quartile. This positioning reflects a school where most students have not yet reached state proficiency benchmarks in core subjects.
The state assessment data included a note that cut score standards changed in recent years, which can make year-to-year comparisons uncertain. Additionally, state testing does not apply to the school's early-grade students in pre-K and kindergarten, so full picture of student learning across the entire school is partial.
Glendale Heights itself is an almost entirely residential, auto-oriented suburb that grew rapidly in the postwar decades and has since stabilized. The community is notable for ethnic and racial diversity. Housing values in the area are moderate relative to the broader Chicago region and the national median, with median home prices below what is typical across the United States. The local job base includes health care, substantial industrial and business parks, and retail, but the community does not have a traditional downtown; civic life clusters around a central node with schools, parks, and the public library near Fullerton Avenue. Most daily movement flows along major east-west arterials and Interstate 88 to the west.
For families choosing a school, G Stanley Hall offers proximity to home in a suburban neighborhood setting with a diverse student peer group. The academic data suggests the school serves a population where many students are still working toward proficiency, and parents would want to understand the school's specific literacy and math interventions, any enrichment or acceleration pathways available, and how the school supports English learners and students performing below grade level. The half-day school improvement schedule is an institutional fact to plan around. A parent may want to look further into student support services, classroom composition by grade, and the school's approach to closing proficiency gaps.
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