Elmer Thienes-Mary Hall Elementary School

Elmer Thienes-Mary Hall Elementary School is a middle-of-the-pack elementary campus in Marlborough, Connecticut, overseen by Marlborough School District. The school hosts 458 students in grades pre-K through 6. Enrollment runs roughly 21% larger than the state mean of about 378.

Elmer Thienes-Mary Hall Elementary School is a school of Marlborough School District, the district that handles curriculum, staffing, and budget for the campus.

Demographically, Elmer Thienes-Mary Hall Elementary School records that nearly all students (85%) are White; the rest is composed of 9% Hispanic, 3% Asian, 2% multiracial. The wider county runs roughly 64% White, putting the school's mix considerably more White than the area baseline.

On the income-and-resources front, Staff filings list 38 full-time-equivalent teachers, which works out to roughly 12.2:1 students per teacher. That tracks the state average closely. Roughly 19% of students at Elmer Thienes-Mary Hall Elementary School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Capitol Planning Region (around 43%), the school's rate is somewhat below typical.

Zooming out to the county, community-level numbers for Capitol Planning Region indicate median household earnings sit near $93,394, roughly 42% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. Elmer Thienes-Mary Hall Elementary School is one of 286 public schools in Capitol Planning Region (combined enrollment of about 137,047 students).

The closest other public school is Center School, roughly 4.1 miles away. Within five miles, there are 4 other public schools.

Geographically, the school is in a small-town area.

Five-year trend. Looking back 7 years, enrollment at Elmer Thienes-Mary Hall Elementary School has shrank 7%, going from 491 students in 2018 to 458 in 2025. The White share of enrollment fell from 89% to 85% over that span.

Inside the community feed, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.