Districts in Middlesex County48 districts, sorted by rating
| District | City | Rating | Zip Codes |
|---|---|---|---|
| Carlisle School District | Carlisle | 10/10 Excellent · 100th pct | 1 |
| Hopkinton School District | Hopkinton | 10/10 Excellent · 99th pct | 1 |
| Lexington Public Schools | Lexington | 10/10 Excellent · 99th pct | 2 |
| Lincoln-Sudbury School District | Lincoln-Sudbury | 10/10 Excellent · 99th pct | 1 |
| Weston Public Schools | Weston | 10/10 Excellent · 99th pct | 1 |
| Wayland School District | Wayland | 10/10 Excellent · 98th pct | 1 |
| Winchester School District | Winchester | 10/10 Excellent · 97th pct | 1 |
| Concord School District | Concord | 10/10 Excellent · 95th pct | 1 |
| North Reading School District | North Reading | 10/10 Excellent · 94th pct | 1 |
| Arlington School District | Arlington | 10/10 Excellent · 93rd pct | 2 |
| Belmont Public Schools | Belmont | 10/10 Excellent · 93rd pct | 1 |
| Acton-Boxborough Regional School District | Acton-Boxborough | 10/10 Excellent · 91st pct | 3 |
| Bedford School District | Bedford | 10/10 Excellent · 90th pct | 2 |
| Newton Public Schools | Newton | 10/10 Excellent · 90th pct | 2 |
| Newton School District | Newton | 10/10 Excellent · 90th pct | 7 |
| Natick Public Schools | Natick | 9/10 Excellent · 88th pct | 1 |
| Reading School District | Reading | 9/10 Excellent · 88th pct | 1 |
| Littleton School District | Littleton | 9/10 Excellent · 85th pct | 1 |
| Melrose School District | Melrose | 9/10 Excellent · 84th pct | 1 |
| Groton-Dunstable School District | Groton-Dunstable | 9/10 Excellent · 81st pct | 2 |
| Holliston School District | Holliston | 8/10 Good · 79th pct | 1 |
| Cambridge Public Schools | Cambridge | 8/10 Good · 77th pct | 5 |
| Lincoln School District | Lincoln | 8/10 Good · 76th pct | 1 |
| Ashland School District | Ashland | 8/10 Good · 73rd pct | 1 |
| Wakefield School District | Wakefield | 8/10 Good · 73rd pct | 1 |
| Chelmsford School District | Chelmsford | 8/10 Good · 71st pct | 2 |
| Burlington School District | Burlington | 8/10 Good · 70th pct | 1 |
| Wilmington School District | Wilmington | 7/10 Good · 65th pct | 1 |
| Watertown School District | Watertown | 7/10 Good · 60th pct | 1 |
| Billerica School District | Billerica | 6/10 Average · 52nd pct | 2 |
| Stoneham School District | Stoneham | 6/10 Average · 50th pct | 1 |
| Tewksbury School District | Tewksbury | 5/10 Average · 48th pct | 1 |
| Dracut School District | Dracut | 5/10 Average · 42nd pct | 1 |
| Waltham School District | Waltham | 5/10 Average · 42nd pct | 3 |
| Ayer-Shirley School District | Ayer-Shirley | 5/10 Average · 41st pct | 2 |
| Tyngsborough School District | Tyngsborough | 5/10 Average · 40th pct | 1 |
| North Middlesex School District | North Middlesex | 4/10 Below Average · 39th pct | 4 |
| Medford School District | Medford | 4/10 Below Average · 37th pct | 1 |
| Maynard School District | Maynard | 4/10 Below Average · 34th pct | 1 |
| Somerville Public Schools | Somerville | 4/10 Below Average · 33rd pct | 2 |
| Somerville School District | Somerville | 4/10 Below Average · 33rd pct | 1 |
| Malden School District | Malden | 3/10 Below Average · 29th pct | 1 |
| Woburn School District | Woburn | 3/10 Below Average · 28th pct | 1 |
| Hudson School District | Hudson | 3/10 Below Average · 25th pct | 1 |
| Lowell School District | Lowell | 2/10 Poor · 19th pct | 4 |
| Marlborough School District | Marlborough | 2/10 Poor · 10th pct | 1 |
| Framingham School District | Framingham | 1/10 Poor · 8th pct | 2 |
| Everett School District | Everett | 1/10 Poor · 5th pct | 1 |
Zip Codes in Middlesex County
01431 01463 01469 01474 01432 01464 01450 01827 01460 01701 01702 01718 01719 01720 01721 01730 01731 01741 01742 01746 01748 01749 01752 01754 01760 01773 01776 01778 01801 01803 01821 01862 01824 01863 01826 01850 01851 01852 01854 01864 01867 01876 01879 01880 01887 01890 02138 02139 02140 02141 02142 02143 02144 02145 02148 02149 02155 02176 02180 02420 02421 02451 02452 02453 02458 02459 02460 02461 02462 02464 02465 02466 02468 02472 02474 02476 02478 02493
School Districts in Middlesex County, Massachusetts
Middlesex County has 48 public school districts covering 78 zip codes. The top-rated district in Middlesex County is Carlisle School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (Massachusetts MCAS 2024–25 for most districts), ranked against all districts in Massachusetts. Directory details come from NCES CCD 2024–25.
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