| Index | Sudley | 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 | Sudley | Virginia | National |
| Completed 8th grade | 75.9% | 85.9% | 84.3% |
| Completed high school | 75.0% | 84.7% | 83.0% |
| Completed some college | 54.0% | 64.1% | 59.4% |
| Completed associate degree | 32.5% | 44.2% | 38.5% |
| Completed bachelors | 24.6% | 36.9% | 30.3% |
| Completed masters | 9.7% | 15.7% | 11.5% |
| Completed professional degree | 0.7% | 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 Sudley. Using the proficiency score averages, the average test scores for Sudley, VA schools is n/a. The average student to teacher ratio is n/a. In Sudley, VA, an average of 75.9% of students have completed 8th grade and an average of 75.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oakton, VA | 37,413 | 92% | 90.6% |
| Haymarket, VA | 1,540 | 90% | 88.2% |
| Burke, VA | 45,553 | 90% | 86.7% |
| Chantilly, VA | 24,744 | 89% | 85.7% |
| Clifton, VA | 316 | 89% | 84.7% |
| Sudley, VA | 18,730 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Harrison, NJ | 18,732 | 41% | 15.1% |
| St. Marys, GA | 18,720 | 63% | 31.3% |
| North Aurora, IL | 18,754 | 32% | 34.4% |
| Burlington, KY | 18,755 | 53% | 10.9% |
| Ashtabula, OH | 18,701 | 54% | 12.8% |
| Sudley, VA | 18,730 | n/a |