The top reported proficiency rate is 39% in English language arts. The lowest is 27% in Math.
Original Research by School Decision on Greenbrook Elem School
Greenbrook Elementary serves prekindergarten through fifth grade in Hanover Park, a mid-sized, ethnically diverse Chicago northwest suburb. The school is a regular public school within Keeneyville School District 20 and enrolls students from a largely Hispanic and Black student body, with smaller shares of Asian and White students. The school sits in a family-oriented community with young median age and significant linguistic diversity, served by a busy Metra commuter rail station and Pace bus service.
The school's recent academic performance shows proficiency rates below what families might expect. In mathematics, third and fourth graders reached proficiency rates around or just below one-third, while fifth graders reached proficiency at substantially lower rates. In English language arts, results were modestly better: third graders reached proficiency at about one-third, fourth graders around two-fifths, and fifth graders somewhat above two-fifths. Science proficiency in fifth grade was measured at about one-third. These results reflect state assessment data from the Illinois Assessment of Readiness and represent the performance of students in tested grades. The school's overall proficiency index places it in the bottom quartile among the districts in DuPage County. Testing participation rates were high, generally near full participation, indicating the results represent the actual student population taking these assessments.
A significant pedagogical shift has come to the school through the introduction of a Spanish-English Dual Language program that began in kindergarten in August 2023. This program aims for students to become bilingual and biliterate in both Spanish and English through instruction in both languages. Because the program grows grade by grade as students advance through the school, families enrolling children in earlier grades should understand that this represents a multi-year immersive approach. For families considering Greenbrook, the dual language pathway is a defining feature of what the school offers going forward, distinct from traditional English-language instruction.
The school's enrollment is stable, with about a mid-sized population for an elementary school. Roughly half the student body identifies as Hispanic, just under one-quarter as Black, somewhat over one-tenth as White, and a smaller share as Asian. The enrollment includes families from many language backgrounds reflective of the village's character as a place where about eighty nationalities and thirty languages are represented.
Hanover Park itself is undergoing quiet but deliberate transformation. The community is focused on transit-oriented development around the Metra station, with two major new residential projects approved in 2025 to add multifamily housing near the station, along with new civic plaza and streetscape improvements. Housing values in the surrounding area fall modestly below state benchmarks, and rental costs are moderate for the region. The village's employment base centers on three business parks with industrial and office space; major occupational categories for residents are office and administrative work, transportation and material moving, and sales.
No data on free and reduced-price lunch eligibility was available, nor was special education or English learner enrollment data reported. Staffing, discipline, attendance, and course-access information were not available in the data provided. A parent may want to reach out to the school directly to understand current support services, the practical structure of dual language instruction for students in upper grades, and how the school's programming aligns with their family's needs.
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