Summary
Glenville School is a K–5 elementary school in Greenwich, CT, serving 411 students with a 10.4 student–teacher ratio in the Greenwich School District, a district ranked in the top 10 percent of Connecticut. The school has a free/reduced lunch eligibility rate of 11.19%, and its chronic absenteeism rate of 5.2% is well below both the district rate of 8.5% and the state rate of 16.4%.
Academically, Glenville performs comfortably above Connecticut state averages in most subjects and grades — for example, 3rd-grade math proficiency was 66.7% in 2025–2026, compared to roughly 47–54% statewide. However, the school trails its own district by a wider margin, especially in math, where 3rd-grade proficiency was 66.7% versus 85.6% district-wide. Glenville's state ranking has also fluctuated noticeably, from a 5-star, 90th-percentile showing in 2024–2025 to a 4-star, 76th-percentile ranking in 2025–2026, suggesting meaningful cohort-to-cohort variation. Nearby Greenwich schools such as North Mianus School, Riverside School, Old Greenwich School, and Parkway School have consistently ranked in the top 20 statewide in recent years.
Glenville's clear strengths include excellent attendance, with chronic absenteeism at just 5.2% compared to over 17% at Hamilton Avenue School and Julian Curtiss School. Its per-pupil spending of $13,446 is the lowest among nearby elementary schools, well below Riverside School at $21,700 and Old Greenwich School at $33,050. For parents, Glenville offers a solid, efficient educational option with strong structural foundations, though families considering it alongside Greenwich's top-ranked schools should weigh the district gap in mathematics and the year-to-year variability in overall outcomes.
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