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Exam Schools Tier Map

Admission Year 2026-2027

Boston Public Schools groups census tracts into tiers aligned with the exam school admission policy based on socioeconomic score. The socioeconomic score is based on the following socioeconomic factors, as provided by 5-year averages from the U.S. Census Bureau's American Community Survey: percentage of persons below poverty, percent of households not occupied by the owner, percent of families headed by a single parent, percent of households where English is not the primary language spoken, and educational attainment.

Tiers will be of relatively equal size based on the number of school-aged children in grades 5-8, according to the 5-year average from the American Community Survey.

City-wide census tracts are redrawn every ten (10) years, allowing for potential splitting, combining, or boundary corrections. The updated exam school tier computation for the 2026-2027 school year relies on the 5-year 2024 American Community Survey (ACS) and the 2020 Boston census data, which is the most recent census tract data and includes 207 tracts with 5th to 8th grade children.

Please note that this information applies only to admission year 2026-2027. Tiers for the 2027-2028 admission year will become available in late winter, 2025.

TIER MAP