New Jersey public school districts ranked by enrollment-weighted state-assessment proficiency across the county. Counties need at least 3 schools and 1,000 students to qualify.
| # | County | State | % Proficient |
|---|---|---|---|
| 1 | Morris County | NJ | 56.2% |
| 2 | Bergen County | NJ | 56.0% |
| 3 | Hunterdon County | NJ | 54.2% |
| 4 | Somerset County | NJ | 54.1% |
| 5 | Monmouth County | NJ | 47.7% |
| 6 | Middlesex County | NJ | 43.5% |
| 7 | Sussex County | NJ | 43.3% |
| 8 | Burlington County | NJ | 40.6% |
| 9 | Gloucester County | NJ | 40.4% |
| 10 | Union County | NJ | 39.5% |
| 11 | Warren County | NJ | 39.4% |
| 12 | Essex County | NJ | 38.1% |
| 13 | Hudson County | NJ | 37.4% |
| 14 | Ocean County | NJ | 36.2% |
| 15 | Mercer County | NJ | 35.7% |
| 16 | Camden County | NJ | 35.3% |
| 17 | Cape May County | NJ | 35.3% |
| 18 | Passaic County | NJ | 31.3% |
| 19 | Atlantic County | NJ | 30.8% |
| 20 | Salem County | NJ | 30.0% |
| 21 | Cumberland County | NJ | 19.4% |