Summary:
Riverside, Connecticut is home to a single middle school, Eastern Middle School, which serves students in grades 6 through 8 as part of the highly regarded Greenwich School District. With an enrollment of 797 students, Eastern Middle School is not just the only middle school in Riverside, but also one of the finest in the entire state, holding the #2 ranking in Connecticut for three consecutive years.
Eastern Middle School consistently outperforms both its district and the state across every subject and grade level. In the 2025–2026 school year, English Language Arts proficiency ranged from 84.0% to 87.2%, compared to state averages around 51%. Mathematics proficiency was equally striking, with 83.6% to 86.6% of students meeting standards versus roughly 42% to 44% statewide. In 8th-grade science, 88.7% of students were proficient, far exceeding the state's 50.9%. The school also boasts a low chronic absenteeism rate of 6.4%, less than half the state rate of 16.4%, and a favorable student-teacher ratio of 11.8 to 1.
The school's consistent excellence appears driven by a combination of strong resources and a supportive learning environment. Only 5.9% of students qualify for free or reduced lunch, and per-student spending reaches $19,444, reflecting the wealth of the community. While scores dipped slightly from the previous year, including a 4.2-point drop in 8th-grade science, the school remains a benchmark for middle school achievement. The Greenwich School District itself ranks 14th out of 153 districts in Connecticut, yet Eastern Middle School still outperforms its own district by meaningful margins, proving it is a leader even within a top-tier system.
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