| Index | Stewartsville | New Jersey | National |
| Average Test Scores | 67% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Stewartsville | New Jersey | National |
| Completed 8th grade | 100.0% | 87.5% | 84.3% |
| Completed high school | 100.0% | 86.3% | 83.0% |
| Completed some college | 50.5% | 60.7% | 59.4% |
| Completed associate degree | 15.6% | 43.9% | 38.5% |
| Completed bachelors | 15.6% | 37.5% | 30.3% |
| Completed masters | 0.0% | 14.4% | 11.5% |
| Completed professional degree | 0.0% | 4.0% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Stewartsville. Using the proficiency score averages, the average test scores for Stewartsville, NJ schools is 67%. The average student to teacher ratio is n/a. In Stewartsville, NJ, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Annandale, NJ | 1,794 | 79% | 63.5% |
| Coopersburg, PA | 2,306 | 77% | 60.4% |
| Nazareth, PA | 5,705 | 72% | 50.0% |
| Hellertown, PA | 5,835 | 70% | 46.5% |
| Asbury, NJ | 207 | 70% | 44.8% |
| Stewartsville, NJ | 549 | 67% | 39.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Coward, SC | 549 | 35% | 27.1% |
| Irene, SD | 549 | 55% | 14.6% |
| St. Leonard, MD | 549 | 35% | 28.1% |
| Terry, MT | 549 | 45% | 6.3% |
| Andover, OH | 549 | 62% | 28.8% |
| Stewartsville, NJ | 549 | 67% | 39.1% |
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