| Index | Haddonfield | New Jersey | National |
| Average Test Scores | 70% | 52% | 48% |
| Student/Teacher ratio | 16:1 | 13:1 | 16:1 |
| Total public schools | 7 | 1,604 | 79,221 |
| Total private schools | 6 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Haddonfield | New Jersey | National |
| Completed 8th grade | 98.5% | 87.5% | 84.3% |
| Completed high school | 98.5% | 86.3% | 83.0% |
| Completed some college | 90.5% | 60.7% | 59.4% |
| Completed associate degree | 80.7% | 43.9% | 38.5% |
| Completed bachelors | 76.2% | 37.5% | 30.3% |
| Completed masters | 36.3% | 14.4% | 11.5% |
| Completed professional degree | 16.4% | 4.0% | 3.3% |
| Completed doctorate | 4.7% | 1.5% | 1.3% |
There are a total of 7 public schools, 6 private schools and n/a post-secondary schools in Haddonfield. Using the proficiency score averages, the average test scores for Haddonfield, NJ schools is 70%. The average student to teacher ratio is 16:1. In Haddonfield, NJ, an average of 98.5% of students have completed 8th grade and an average of 98.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Penn Wynne, PA | 5,769 | 87% | 81.3% |
| Bryn Mawr, PA | 5,611 | 86% | 78.1% |
| Ardmore, PA | 13,567 | 85% | 77.1% |
| Narberth, PA | 4,304 | 81% | 68.8% |
| Conshohocken, PA | 8,039 | 77% | 60.9% |
| Haddonfield, NJ | 11,342 | 70% | 45.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Fredericksburg, TX | 11,341 | 50% | 4.5% |
| Rosaryville, MD | 11,344 | 5% | 89.6% |
| Fort Meade, MD | 11,340 | 35% | 26.6% |
| Mendota Heights, MN | 11,339 | 65% | 34.4% |
| Diamond Springs, CA | 11,332 | 41% | 14.8% |
| Haddonfield, NJ | 11,342 | 70% | 45.7% |
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