| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Winthrop School District | Winthrop | 5/10 Average · 49th pct | 1,953 | 4 | PK–12 | 1 |
| Boston School District | Boston | 2/10 Poor · 17th pct | 46,367 | 109 | PK–12 | 33 |
| Revere School District | Revere | 2/10 Poor · 11th pct | 7,444 | 11 | PK–12 | 1 |
| Chelsea School District | Chelsea | 1/10 Poor · 3rd pct | 6,312 | 11 | PK–12 | 1 |
How Suffolk County compares
Together they enroll 62,076 students across 135 schools. The largest is Boston School District with 46,367 students. Districts here average 2.5/10, below the Massachusetts average of 5.6/10. Ratings range from 1/10 to 5/10.
School Districts in Suffolk County, Massachusetts
Suffolk County has 4 public school districts covering 36 zip codes. The top-rated district in Suffolk County is Winthrop School District (5/10). Ratings are based on the share of students proficient in reading and math on state assessments (MCAS 2024–25), ranked against all districts in Massachusetts. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Suffolk County, MA?
4 school districts serve zip codes in Suffolk County, MA. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Suffolk County, MA?
Of the districts serving Suffolk County, Winthrop School District has the highest rating on this site at 5/10. That places it in the 49th percentile among Massachusetts school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Massachusetts reading and math assessments, ranked against other districts in Massachusetts and converted to a 1–10 scale. Percentiles compare districts within Massachusetts only, never across state lines.