| Index | Franklin | New Jersey | National |
| Average Test Scores | 51% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,604 | 79,221 |
| Total private schools | 1 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Franklin | New Jersey | National |
| Completed 8th grade | 87.7% | 87.5% | 84.3% |
| Completed high school | 86.8% | 86.3% | 83.0% |
| Completed some college | 49.4% | 60.7% | 59.4% |
| Completed associate degree | 28.8% | 43.9% | 38.5% |
| Completed bachelors | 20.3% | 37.5% | 30.3% |
| Completed masters | 5.2% | 14.4% | 11.5% |
| Completed professional degree | 0.7% | 4.0% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Franklin. Using the proficiency score averages, the average test scores for Franklin, NJ schools is 51%. The average student to teacher ratio is 13:1. In Franklin, NJ, an average of 87.7% of students have completed 8th grade and an average of 86.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kinnelon, NJ | 9,988 | 74% | 53.1% |
| Warwick, NY | 6,769 | 71% | 47.9% |
| Lake Mohawk, NJ | 9,148 | 70% | 45.8% |
| Lincoln Park, NJ | 10,220 | 70% | 45.8% |
| Milford, PA | 1,390 | 68% | 41.1% |
| Franklin, NJ | 4,737 | 51% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Dundee, FL | 4,738 | 48% | 0.7% |
| Morganville, NJ | 4,738 | 75% | 56.6% |
| Harrington Park, NJ | 4,735 | 79% | 63.5% |
| Blue Point, NY | 4,739 | 45% | 6.3% |
| Madisonville, TX | 4,740 | 46% | 4.2% |
| Franklin, NJ | 4,737 | 51% | 6.3% |
Here are the best places to live in New Jersey
Check out the 10 safest cities in New Jersey
Top 10 cities in New Jersey with the best education system
These are the 10 most affordable cities in New Jersey