The top reported proficiency rate is 20% in English language arts. The lowest is 8% in Math.
Original Research by School Decision on Carpentersville Middle School
Carpentersville Middle School serves about a thousand students across grades six through eight in Carpentersville, a working-class Fox River suburb west of Chicago. The school draws almost entirely from a single demographic background: roughly seven of every eight students identify as Hispanic, with small populations of Black, White, Asian, and other students. Free-or-reduced-price lunch data was not available, so a reader cannot assess from this account what share of families qualify for meal assistance, though the housing and employment profile of Carpentersville itself suggests mixed economic conditions.
The most pressing characteristic of Carpentersville Middle is its proficiency profile. The school's state assessment results show very low performance across subjects and grades. In math, proficiency ranges from around one in twenty students in eighth grade to roughly one in ten in sixth and seventh grades. English proficiency is higher but still weak, ranging from about one in five students in sixth grade to roughly one in four in eighth grade. Science proficiency in eighth grade sits at about one in seven students. These figures come from the Illinois Assessment of Readiness in math and English language arts, and the Illinois Science Assessment, all administered in 2024-25. The school's overall proficiency index places it in the bottom quartile among Kane County districts, well below the median.
A parent may want to look into this further with the school: whether recent curriculum changes, staffing, or instructional shifts are underway; what supports exist for students who are not meeting standards; and what pathway the school recommends for students entering high school with these proficiency levels. Because state testing does not align perfectly with what middle school students learn, performance on state tests is one lens but not the whole picture of what students are actually learning.
The school's student participation in testing was very high, above ninety-nine percent in most grade-subject combinations, suggesting that absences on test days were minimal and results reflect most of the enrolled population.
Carpentersville is a mid-sized Fox River suburb mixing older, denser neighborhoods along the river's east bank with large postwar residential subdivisions to the west. The village center sits around Main Street and Washington Street on the east side. The broader economy is anchored in advanced manufacturing, logistics, and food processing, with OTTO Engineering, a precision controls manufacturer, as the most visible local employer. Major retail is distributed across Randall Road, Route 31, and Route 25 rather than clustered downtown. The Fox River Trail and parks such as Carpenter Park anchor civic life. The village is mostly car-oriented, with Walk Scores around thirty, though older neighborhoods near the river score higher.
Housing is moderately priced relative to the Chicago metro region. Median home values are in the mid-to-high two hundred thousands, with year-over-year appreciation around three to four percent. Monthly rent is in the low-to-mid twenty-hundreds. The affordability index shows housing costs roughly five times median household income, and rent taking up about a third of income, suggesting the market is accessible to working families but not inexpensive. New single-family construction exists but in limited quantity, and the village is marketed as pro-growth with infrastructure projects underway, including a major rebuild of L.W. Besinger Drive with a multi-use path.
The broader district context matters here: CUSD 300 has recently redrawn attendance boundaries and is preparing a long-term facilities referendum for the November ballot tied to projections of substantial enrollment growth over the next decade. The district budgets roughly twenty million annually for basic maintenance but has identified potential capital needs in the hundreds of millions. These are questions for families considering the district long-term.
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