Summary
Cider Mill School in Wilton, CT, serves 831 students in grades 3–5 and is one of Connecticut's top-rated upper elementary schools, sitting within the Wilton School District, which ranks 11th-best in the state. In 2025–2026, Cider Mill ranked 68th of 491 Connecticut elementary schools, earning 4 stars and landing in the 86th percentile statewide. Academically, the school is a clear standout: proficiency rates on state tests typically run 20 to 30 percentage points above Connecticut averages in every grade and subject. The student body is largely affluent, with about 5% of students qualifying for free or reduced-price lunch, and the school enjoys very low chronic absenteeism at just 3.9%, compared with a 16.4% state average.
Compared with nearby schools, Cider Mill is strong but faces an exceptionally high bar in southwestern Fairfield County. East School (New Canaan), Weston Intermediate School, and Branchville Elementary School all rank higher statewide, while Coleytown Elementary School in Westport is just behind. Cider Mill's 4th-grade math proficiency of 83.3% is a particular strength and outpaces Weston Intermediate, but 5th-grade science (73.3%) lags Branchville (85.2%), Weston Intermediate (82.8%), and Coleytown (84.5%). The contrast with nearby Norwalk School District schools is stark: just a few miles away, Tracey Magnet School, Wolfpit Integrated Arts Elementary School, Cranbury Elementary School, and Silvermine Dual Language Magnet School post 4th-grade math proficiency rates of roughly 46–51%, highlighting how much district and socioeconomic context matter.
A few other insights stand out for parents. Cider Mill's special education students ranked first in their statewide comparison group with a 5-star rating in both 2023–2024 and 2024–2025, a strong signal of inclusive support. The school's recent slip from 46th to 68th in state ranking appears cohort-driven rather than a systemic decline, since 4th-grade math proficiency rose at the same time. With a student-teacher ratio of 12.0 and per-student spending of roughly $20,884—middle of the pack among its affluent peers—Cider Mill is well-resourced, but its success also stems from stable attendance and engaged families. For parents considering schools in this area, Cider Mill is a reliably high-achieving option, even if it isn't quite the very top of an exceptionally competitive neighborhood.
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