Summary:
Dayville, Connecticut, is served by three public schools in the Killingly School District — Killingly High School (grades 9–12, 744 students), Killingly Intermediate School (grades 5–8, 692 students), and Killingly Central School (grades PK–1, 317 students). The district itself ranks 118th out of 153 in Connecticut, placing it in the bottom quarter, so families should expect some academic challenges alongside a few real bright spots.
Among the three, Killingly High School is the highest-ranked school in Dayville, sitting at the 50th percentile statewide with a 3-star rating. It is the only school where English Language Arts proficiency (62.6%) exceeds the state average (58%), yet its math proficiency is just 16.6% compared to 31.1% statewide, and 29.1% of students are chronically absent. Killingly Intermediate School holds a stable 2-star ranking, and its 8th grade science proficiency (52.1%) slightly beats the state (50.9%), but math scores in every grade fall far below state averages. Killingly Central School, despite having the highest poverty rate at 60.3%, posts the district's lowest chronic absenteeism rate at 17.1% — nearly matching the state's 16.4% average.
The most urgent concern across Dayville is a systemic math gap: high school math proficiency is less than half the state rate, and intermediate scores range from roughly 22% to 30% versus 42–46% statewide. Chronic absenteeism also rises with grade level, peaking at the high school, where it coincides with a graduation rate (86.9%) below the state's 91.2%. Interestingly, poverty does not drive attendance patterns here, since the poorest school has the best attendance, pointing to school climate and student engagement as key factors. For parents, the takeaway is clear: Dayville offers some solid ELA and early-grade attendance strengths, but math achievement and high school attendance demand attention.
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