The top reported proficiency rate is 40% in English language arts. The lowest is 15% in Science.
Original Research by School Decision on Ontarioville Elem School
Ontarioville Elementary School serves kindergarten through sixth grade in Hanover Park, a mid-sized and ethnically diverse northwest Chicago suburb. The school enrolls a small student body for its grade band, with a student population that is predominantly Hispanic, reflecting the village's character as a place where about eighty nationalities and thirty languages are represented. According to the most recent housing data, homes in the area are valued at a level that sits modestly below both state and national medians, and rental costs are moderate for the region.
The school's academic profile shows uneven results across grade levels and subjects. In English language arts, performance ranges widely. Third grade shows weak results, while fourth grade performs similarly low. Fifth grade stands out notably higher, approaching a majority proficiency. Sixth grade sits in the lower-to-middle range. In mathematics, third grade reaches about half proficiency, fourth grade drops sharply below that, fifth grade recovers slightly, and sixth grade shows very low attainment. Science results are sparse: the one grade five science test reports quite low proficiency. The Illinois Assessment of Readiness (IAR) and Illinois Science Assessment (ISA) data come from 2024-25, and the school participated fully in both tests.
When positioned against the other districts in Cook County, Ontarioville's overall proficiency index across tested subjects and grades falls below the midpoint for schools in the county. A parent may want to look further into what instructional supports are in place for grades where proficiency is notably lower, particularly grade four mathematics and grade five science, and whether the variation across grades reflects differences in student cohorts, teaching staff, curriculum approaches, or school-level factors.
The school sits within School District U-46, which is undergoing substantial change. In 2023 voters approved a major capital referendum without raising the tax rate, funded by a bond. This has triggered a rebuilding program for several elementary schools and the district's first new middle schools in over a generation. Ontarioville's facility itself is not listed among the schools slated for the initial rebuilds, but the district is also adopting a new six-through-eight middle school model districtwide and extending the elementary school day by about an hour beginning in the 2025-26 school year under a new contract with the teachers' association. Curricular updates include a new mathematics program (Reveal Math) and a literacy pilot based on EL Education. These shifts mean the instructional environment and daily schedule are actively changing across the district.
Hanover Park itself is at a pivot point between auto-oriented suburban patterns and a transit-centered future. The village is served by a busy Metra Milwaukee District West Line station and is building a new "Village Center" downtown around that station through mixed-use development and streetscape investment. Population has been essentially flat. The major employers in the area are anchored in three large business parks with logistics, manufacturing, and office work. This is a working and middle-class community with stable employment and a strong family orientation.
For families considering Ontarioville Elementary, the school offers a small, ethnically diverse environment within a district that is investing heavily in facility improvements and instructional renewal. The academic profile warrants careful attention to the school's specific strategies for the grades and subjects where results are currently lower, and the broader district context is one of transition with extended school days, new middle-grades organization, and curriculum updates rolling out across the system.
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