| Index | Hackettstown | New Jersey | National |
| Average Test Scores | 58% | 52% | 48% |
| Student/Teacher ratio | 11:1 | 13:1 | 16:1 |
| Total public schools | 5 | 1,604 | 79,221 |
| Total private schools | 4 | 823 | 24,874 |
| Total post-secondary schools | 1 | 157 | 7,963 |
| Index | Hackettstown | New Jersey | National |
| Completed 8th grade | 85.0% | 87.5% | 84.3% |
| Completed high school | 83.8% | 86.3% | 83.0% |
| Completed some college | 56.5% | 60.7% | 59.4% |
| Completed associate degree | 35.5% | 43.9% | 38.5% |
| Completed bachelors | 28.3% | 37.5% | 30.3% |
| Completed masters | 9.1% | 14.4% | 11.5% |
| Completed professional degree | 1.6% | 4.0% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of 5 public schools, 4 private schools and 1 post-secondary schools in Hackettstown. Using the proficiency score averages, the average test scores for Hackettstown, NJ schools is 58%. The average student to teacher ratio is 11:1. In Hackettstown, NJ, an average of 85.0% of students have completed 8th grade and an average of 83.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Annandale, NJ | 1,794 | 79% | 63.5% |
| Mendham, NJ | 4,880 | 79% | 63.5% |
| Chester, NJ | 1,514 | 74% | 53.5% |
| Lake Mohawk, NJ | 9,148 | 70% | 45.8% |
| Asbury, NJ | 207 | 70% | 44.8% |
| Hackettstown, NJ | 9,440 | 58% | 21.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Amityville, NY | 9,440 | 42% | 12.0% |
| Mount Airy, MD | 9,439 | 57% | 17.7% |
| Sunbury, PA | 9,446 | 51% | 5.7% |
| Lowell, AR | 9,433 | 62% | 28.1% |
| Brownfield, TX | 9,431 | 34% | 29.4% |
| Hackettstown, NJ | 9,440 | 58% | 21.6% |
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