| Index | Dumbarton | 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 | Dumbarton | Virginia | National |
| Completed 8th grade | 82.3% | 85.9% | 84.3% |
| Completed high school | 79.1% | 84.7% | 83.0% |
| Completed some college | 55.6% | 64.1% | 59.4% |
| Completed associate degree | 27.5% | 44.2% | 38.5% |
| Completed bachelors | 19.8% | 36.9% | 30.3% |
| Completed masters | 8.1% | 15.7% | 11.5% |
| Completed professional degree | 1.3% | 4.2% | 3.3% |
| Completed doctorate | 0.5% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Dumbarton. Using the proficiency score averages, the average test scores for Dumbarton, VA schools is n/a. The average student to teacher ratio is n/a. In Dumbarton, VA, an average of 82.3% of students have completed 8th grade and an average of 79.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Glen Allen, VA | 15,320 | 90% | 86.7% |
| Mechanicsville, VA | 38,496 | 89% | 84.9% |
| Woodlake, VA | 7,664 | 88% | 83.9% |
| Bon Air, VA | 18,126 | 87% | 81.8% |
| Brandermill, VA | 14,184 | 87% | 81.3% |
| Dumbarton, VA | 8,580 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| York, SC | 8,583 | 47% | 1.3% |
| Charlestown, IN | 8,576 | 46% | 4.9% |
| Shelby, OH | 8,574 | 70% | 45.6% |
| Clinton, SC | 8,586 | 42% | 12.2% |
| Price, UT | 8,588 | 45% | 6.9% |
| Dumbarton, VA | 8,580 | n/a |