| Index | Somerdale | New Jersey | National |
| Average Test Scores | 35% | 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 | Somerdale | New Jersey | National |
| Completed 8th grade | 90.3% | 87.5% | 84.3% |
| Completed high school | 89.8% | 86.3% | 83.0% |
| Completed some college | 54.7% | 60.7% | 59.4% |
| Completed associate degree | 28.3% | 43.9% | 38.5% |
| Completed bachelors | 22.4% | 37.5% | 30.3% |
| Completed masters | 5.8% | 14.4% | 11.5% |
| Completed professional degree | 0.6% | 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 Somerdale. Using the proficiency score averages, the average test scores for Somerdale, NJ schools is 35%. The average student to teacher ratio is 13:1. In Somerdale, NJ, an average of 90.3% of students have completed 8th grade and an average of 89.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Penn Wynne, PA | 5,769 | 87% | 81.3% |
| Ardmore, PA | 13,567 | 85% | 77.1% |
| Narberth, PA | 4,304 | 81% | 68.8% |
| Moorestown-Lenola, NJ | 13,879 | 77% | 60.4% |
| Greentree, NJ | 10,597 | 75% | 55.7% |
| Somerdale, NJ | 5,479 | 35% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| New Holland, PA | 5,479 | 62% | 28.1% |
| Charleston, MO | 5,478 | 21% | 57.3% |
| Preston, ID | 5,477 | 46% | 4.7% |
| Cameron, TX | 5,476 | 40% | 17.4% |
| Chadron, NE | 5,482 | 57% | 19.5% |
| Somerdale, NJ | 5,479 | 35% | 28.1% |
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