Summary:
Zip code 06447 contains just one school: Elmer Thienes-Mary Hall Elementary School in Marlborough, CT, which serves grades PK through 6 with 458 students and is the only school listed in this area, since there are no middle schools, high schools, or alternative schools in the zip code, meaning families will need to look beyond 06447 for secondary education options.
As the sole school in the area, Elmer Thienes-Mary Hall serves as the standard bearer for the Marlborough School District. The school holds a 4-star rating and ranks 109th out of 491 Connecticut elementary schools, placing it in the 78th percentile for the 2025-2026 school year. It has ranked in the top quarter of the state for three consecutive years, improving from 120th in 2024-2025. In testing, the school beats the state average in every reported grade and subject, with its largest edge in 5th-grade math (+32 percentage points) and 5th-grade ELA (+22.4). The strongest cohort is 5th grade, with proficiency rates of 75.9% in ELA, 77.8% in math, and 72.2% in science.
Beyond test scores, this school stands out for attendance and student support. Chronic absenteeism is just 5.3%, far below the state rate of 16.4%, meaning nearly all students attend school regularly. The student-teacher ratio of 12.1:1 is favorable, and about 18.56% of students qualify for free or reduced-price lunch. The Marlborough School District ranks 46th out of 153 districts in the state (70th percentile). While per-student spending was reported at $16,414 in 2018-2019, this is a well-resourced school that consistently outperforms state averages, making Elmer Thienes-Mary Hall Elementary School a strong option for families in this zip code needing elementary education.
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