| Index | DeKalb Junction | New York | National |
| Average Test Scores | 35% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | DeKalb Junction | New York | National |
| Completed 8th grade | 87.5% | 83.5% | 84.3% |
| Completed high school | 81.1% | 82.1% | 83.0% |
| Completed some college | 50.8% | 59.5% | 59.4% |
| Completed associate degree | 33.1% | 43.4% | 38.5% |
| Completed bachelors | 29.2% | 34.7% | 30.3% |
| Completed masters | 3.6% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 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 DeKalb Junction. Using the proficiency score averages, the average test scores for DeKalb Junction, NY schools is 35%. The average student to teacher ratio is n/a. In DeKalb Junction, NY, an average of 87.5% of students have completed 8th grade and an average of 81.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Canton, NY | 6,743 | 60% | 25.3% |
| Heuvelton, NY | 680 | 50% | 4.2% |
| Ogdensburg, NY | 10,940 | 45% | 6.6% |
| Gouverneur, NY | 3,836 | 43% | 9.7% |
| Hermon, NY | 399 | 38% | 20.3% |
| DeKalb Junction, NY | 553 | 35% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Fillmore, NY | 553 | 65% | 34.4% |
| Creston, IL | 553 | 37% | 22.9% |
| Wishram, WA | 553 | 40% | 16.7% |
| Mappsville, VA | 553 | 69% | 42.7% |
| Trenton, NE | 552 | 55% | 13.5% |
| DeKalb Junction, NY | 553 | 35% | 28.1% |
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