| Index | Sedley | Virginia | National |
| Average Test Scores | 90% | 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 | Sedley | Virginia | National |
| Completed 8th grade | 90.9% | 85.9% | 84.3% |
| Completed high school | 84.1% | 84.7% | 83.0% |
| Completed some college | 61.2% | 64.1% | 59.4% |
| Completed associate degree | 15.6% | 44.2% | 38.5% |
| Completed bachelors | 8.1% | 36.9% | 30.3% |
| Completed masters | 6.0% | 15.7% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sedley. Using the proficiency score averages, the average test scores for Sedley, VA schools is 90%. The average student to teacher ratio is n/a. In Sedley, VA, an average of 90.9% of students have completed 8th grade and an average of 84.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Windsor, VA | 2,848 | 87% | 80.9% |
| Courtland, VA | 1,740 | 84% | 75.3% |
| Capron, VA | 127 | 82% | 70.8% |
| Carrsville, VA | 240 | 77% | 60.4% |
| Newsoms, VA | 393 | 75% | 55.2% |
| Sedley, VA | 628 | 90% | 86.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Pleasant Hill, TN | 628 | 33% | 31.3% |
| Augusta, IL | 628 | 30% | 38.5% |
| Oglesby, TX | 628 | 32% | 33.3% |
| Jefferson, PA | 627 | 51% | 6.3% |
| Red Oak, OK | 629 | 39% | 19.8% |
| Sedley, VA | 628 | 90% | 86.5% |