Districts in Middlesex County20 districts, sorted by rating
| District | City | Rating | Zip Codes |
|---|---|---|---|
| Metuchen Borough School District | Metuchen Borough | 9/10 Excellent · 88th pct | 1 |
| Cranbury Township School District | Cranbury Township | 9/10 Excellent · 87th pct | 1 |
| South Brunswick Township School District | South Brunswick Township | 8/10 Good · 78th pct | 3 |
| East Brunswick Township School District | East Brunswick Township | 8/10 Good · 75th pct | 1 |
| Edison Township School District | Edison Township | 8/10 Good · 71st pct | 3 |
| Old Bridge Township School District | Old Bridge Township | 7/10 Good · 64th pct | 3 |
| Piscataway Township School District | Piscataway Township | 6/10 Average · 54th pct | 1 |
| Milltown Borough School District | Milltown Borough | 5/10 Average · 47th pct | 1 |
| Sayreville Borough School District | Sayreville Borough | 5/10 Average · 46th pct | 2 |
| South Plainfield Borough School District | South Plainfield Borough | 5/10 Average · 44th pct | 1 |
| Monroe Township School District | Monroe Township | 4/10 Below Average · 38th pct | 2 |
| Highland Park Borough School District | Highland Park Borough | 4/10 Below Average · 36th pct | 1 |
| Woodbridge Township School District | Woodbridge Township | 4/10 Below Average · 32nd pct | 8 |
| Middlesex Borough School District | Middlesex Borough | 4/10 Below Average · 31st pct | 1 |
| Spotswood Borough School District | Spotswood Borough | 4/10 Below Average · 30th pct | 2 |
| Carteret Borough School District | Carteret Borough | 3/10 Below Average · 23rd pct | 1 |
| North Brunswick Township School District | North Brunswick Township | 3/10 Below Average · 22nd pct | 1 |
| South River Borough School District | South River Borough | 2/10 Poor · 14th pct | 1 |
| Perth Amboy City School District | Perth Amboy | 1/10 Poor · 8th pct | 1 |
| New Brunswick City School District | New Brunswick | 1/10 Poor · 5th pct | 1 |
Zip Codes in Middlesex County
School Districts in Middlesex County, New Jersey
Middlesex County has 20 public school districts covering 36 zip codes. The top-rated district in Middlesex County is Metuchen Borough School District (9/10). Ratings are based on the share of students proficient in reading and math on state assessments (New Jersey NJSLA 2024–25 for most districts), ranked against all districts in New Jersey. 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.