| Index | Nassawadox | Virginia | National |
| Average Test Scores | n/a | 79% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,596 | 79,221 |
| Total private schools | n/a | 553 | 24,874 |
| Total post-secondary schools | n/a | 199 | 7,963 |
| Index | Nassawadox | Virginia | National |
| Completed 8th grade | 71.3% | 85.9% | 84.3% |
| Completed high school | 70.8% | 84.7% | 83.0% |
| Completed some college | 34.3% | 64.1% | 59.4% |
| Completed associate degree | 25.9% | 44.2% | 38.5% |
| Completed bachelors | 22.5% | 36.9% | 30.3% |
| Completed masters | 6.7% | 15.7% | 11.5% |
| Completed professional degree | 1.7% | 4.2% | 3.3% |
| Completed doctorate | 0.2% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Nassawadox. Using the proficiency score averages, the average test scores for Nassawadox, VA schools is n/a. The average student to teacher ratio is n/a. In Nassawadox, VA, an average of 71.3% of students have completed 8th grade and an average of 70.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Onley, VA | 735 | 81% | 68.2% |
| Eastville, VA | 541 | 75% | 55.7% |
| Melfa, VA | 444 | 75% | 55.2% |
| Exmore, VA | 1,500 | 69% | 43.8% |
| Nassawadox, VA | 558 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hartman, AR | 558 | 34% | 30.2% |
| Butterfield, MN | 558 | 30% | 37.5% |
| Good Thunder, MN | 558 | 82% | 70.8% |
| Teachey, NC | 558 | 32% | 33.3% |
| Westcliffe, CO | 559 | 45% | 6.9% |
| Nassawadox, VA | 558 | n/a |
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