Summary:
Zip code 06370 is served by a single high school, Montville High School, which enrolls 491 students in grades 9 through 12 and is part of the Montville School District in Oakdale, CT. Because this is the only high school in the zip code, there are no local rivals to compare; instead, families should evaluate the school against district and state averages, as well as its own year-over-year trends.
Montville High School posts a graduation rate of 93.5%, which is above the district's 93.0% and the state's 91.2% average — a notable achievement given that nearly 43% of students qualify for free or reduced-price lunch. However, the school's most serious concern is chronic absenteeism: 25.3% of students are chronically absent, compared with 17.2% for the district and 16.4% for the state. About one in four students is missing enough school to be considered chronically absent, which is a red flag for engagement and long-term success even though graduation rates remain strong.
In science, 11th-grade NGSS proficiency rose from 45.7% in 2024-2025 to 49% in 2025-2026, which is above the district's 47.2% but still just below the state's 50.5%. The school benefits from a low student-teacher ratio of 9.2:1, which can support personalized instruction. Historically, the school's ranking has fluctuated between the 48th and 63rd percentiles, while the district currently sits at the 32nd percentile. With a per-student spending figure of $19,301 (2018-2019), Montville High School carries the full weight of high school education in the area; its strengths in graduation and improving science scores are tempered by the urgent need to address chronic absenteeism.
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