| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Frelinghuysen Township School District | Johnsonburg | 8/10 Good · 70th pct | 131 | 1 | PK–6 | 1 |
| Greenwich Township School District | Stewartsville | 7/10 Good · 68th pct | 661 | 2 | PK–8 | 1 |
| White Township School District | Belvidere | 7/10 Good · 65th pct | 269 | 1 | PK–8 | 1 |
| Great Meadows Regional School District | Great Meadows | 7/10 Good · 60th pct | 646 | 2 | PK–8 | 2 |
| Lopatcong Township School District | Phillipsburg | 7/10 Good · 60th pct | 738 | 2 | PK–8 | 0 |
| Knowlton Township School District | Delaware | 6/10 Average · 54th pct | 179 | 1 | PK–6 | 1 |
| Oxford Township School District | Oxford | 6/10 Average · 52nd pct | 250 | 1 | PK–8 | 1 |
| Hackettstown Town School District | Hackettstown | 5/10 Average · 46th pct | 2,078 | 4 | PK–12 | 0 |
| Franklin Township School District | Washington | 5/10 Average · 44th pct | 197 | 1 | PK–6 | 0 |
| Washington Township School District | Washington | 5/10 Average · 43rd pct | 384 | 2 | PK–6 | 0 |
| Hope Township School District | Hope | 5/10 Average · 42nd pct | 131 | 1 | PK–5 | 1 |
| Allamuchy Township School District | Allamuchy | 5/10 Average · 41st pct | 426 | 2 | PK–8 | 2 |
| Mansfield Township School District | Port Murray | 5/10 Average · 40th pct | 544 | 1 | PK–6 | 1 |
| North Warren Regional School District | Blairstown | 4/10 Below Average · 37th pct | 626 | 1 | 7–12 | 2 |
| Harmony Township School District | PHILLIPSBURG | 4/10 Below Average · 36th pct | 187 | 1 | PK–8 | 0 |
| Warren Hills Regional School District | Changewater | 4/10 Below Average · 35th pct | 1,590 | 2 | 7–12 | 2 |
| Washington Borough School District | Washington | 4/10 Below Average · 34th pct | 557 | 2 | PK–6 | 0 |
| Pohatcong Township School District | Phillipsburg | 4/10 Below Average · 31st pct | 309 | 1 | PK–8 | 0 |
| Blairstown Township School District | Blairstown | 4/10 Below Average · 30th pct | 432 | 1 | PK–6 | 0 |
| Alpha Borough School District | Alpha | 3/10 Below Average · 26th pct | 179 | 1 | PK–8 | 0 |
| Phillipsburg Town School District | Phillipsburg | 2/10 Poor · 10th pct | 3,989 | 5 | PK–12 | 1 |
| Belvidere Town School District | BELVIDERE | 1/10 Poor · 2nd pct | 604 | 2 | PK–12 | 0 |
How Warren County compares
Together they enroll 15,107 students across 37 schools. The largest is Phillipsburg Town School District with 3,989 students. Districts here average 4.9/10, below the New Jersey average of 5.7/10. Ratings range from 1/10 to 8/10.
School Districts in Warren County, New Jersey
Warren County has 22 public school districts covering 16 zip codes. The top-rated district in Warren County is Frelinghuysen Township School District (8/10). Ratings are based on the share of students proficient in reading and math on state assessments (NJSLA 2024–25), 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.
Frequently Asked Questions
How many school districts are in Warren County, NJ?
22 school districts serve zip codes in Warren County, NJ. 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 Warren County, NJ?
Of the districts serving Warren County, Frelinghuysen Township School District has the highest rating on this site at 8/10. That places it in the 70th percentile among New Jersey school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on New Jersey reading and math assessments, ranked against other districts in New Jersey and converted to a 1–10 scale. Percentiles compare districts within New Jersey only, never across state lines.