| Index | Duffield | Virginia | National |
| Average Test Scores | 86% | 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 | Duffield | Virginia | National |
| Completed 8th grade | 79.8% | 85.9% | 84.3% |
| Completed high school | 79.8% | 84.7% | 83.0% |
| Completed some college | 62.8% | 64.1% | 59.4% |
| Completed associate degree | 44.7% | 44.2% | 38.5% |
| Completed bachelors | 18.1% | 36.9% | 30.3% |
| Completed masters | 8.5% | 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 Duffield. Using the proficiency score averages, the average test scores for Duffield, VA schools is 86%. The average student to teacher ratio is n/a. In Duffield, VA, an average of 79.8% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Weber City, VA | 1,580 | 94% | 94.8% |
| Gate City, VA | 1,895 | 90% | 87.0% |
| Big Stone Gap, VA | 5,209 | 89% | 84.7% |
| Norton, VA | 3,969 | 87% | 81.6% |
| Clinchport, VA | 48 | 87% | 81.3% |
| Duffield, VA | 83 | 86% | 78.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Pawleys Island, SC | 83 | 59% | 23.8% |
| Kilgore, NE | 83 | 30% | 37.5% |
| Pilot Point, AK | 83 | 50% | 4.2% |
| Joes, CO | 84 | 50% | 4.2% |
| Batesland, SD | 82 | 30% | 37.5% |
| Duffield, VA | 83 | 86% | 78.6% |
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