| Index | Sewaren | New Jersey | National |
| Average Test Scores | 42% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 1 | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Sewaren | New Jersey | National |
| Completed 8th grade | 93.0% | 87.5% | 84.3% |
| Completed high school | 91.9% | 86.3% | 83.0% |
| Completed some college | 61.1% | 60.7% | 59.4% |
| Completed associate degree | 40.9% | 43.9% | 38.5% |
| Completed bachelors | 33.1% | 37.5% | 30.3% |
| Completed masters | 6.8% | 14.4% | 11.5% |
| Completed professional degree | 1.6% | 4.0% | 3.3% |
| Completed doctorate | 1.6% | 1.5% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Sewaren. Using the proficiency score averages, the average test scores for Sewaren, NJ schools is 42%. The average student to teacher ratio is 12:1. In Sewaren, NJ, an average of 93.0% of students have completed 8th grade and an average of 91.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fair Haven, NJ | 5,833 | 86% | 79.7% |
| Short Hills, NJ | 13,700 | 83% | 73.8% |
| Lincroft, NJ | 6,501 | 83% | 73.4% |
| Monmouth Beach, NJ | 3,226 | 82% | 70.8% |
| Rumson, NJ | 6,757 | 82% | 70.5% |
| Sewaren, NJ | 2,708 | 42% | 12.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Oak Harbor, OH | 2,708 | 83% | 72.2% |
| Kalama, WA | 2,708 | 53% | 10.4% |
| East Dublin, GA | 2,709 | 45% | 7.3% |
| Victor, NY | 2,709 | 70% | 46.6% |
| New Tazewell, TN | 2,707 | 31% | 35.4% |
| Sewaren, NJ | 2,708 | 42% | 12.5% |
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