Summary:
ZIP code 06023 (East Berlin, Connecticut) contains a single public school — Richard D. Hubbard School — a K–5 elementary school serving 215 students in the Berlin School District. With no middle or high schools in this ZIP code, families rely on this one school for elementary education before transitioning to secondary schools elsewhere in the district.
Richard D. Hubbard School stands out for its exceptional early-elementary performance. Third grade English Language Arts proficiency reached 90.3% in the 2025–2026 school year, well above the district's 64.4% and the state's 47.3%. Fourth grade ELA (75%) and math (66%) also exceed district and state averages. Chronic absenteeism is a bright spot at 11.0%, better than the district's 14.7% and the state's 16.4%, and the student-teacher ratio of 12.2 is favorable. However, 5th grade shows a sharp decline: ELA proficiency fell to 46.9% and science to 40.6%, both below district and state averages. This has contributed to the school's statewide ranking dropping from the 89th percentile in 2023–2024 to the 60th percentile in 2025–2026.
Several factors help explain these patterns. With just 215 students across six grades, each cohort averages only 35–40 students, so small enrollment amplifies year-to-year swings — 5th grade ELA jumped from 73.8% to 46.9% in just one year. The school still outperforms its district's overall statewide ranking (48th percentile), suggesting it is a relative bright spot within Berlin. Families should note the strong K–4 experience, monitor the 5th grade dip, and plan for middle and high school options outside ZIP code 06023, likely in neighboring ZIP codes within the Berlin School District.
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