| Index | Opal | 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 | Opal | Virginia | National |
| Completed 8th grade | 87.0% | 85.9% | 84.3% |
| Completed high school | 86.5% | 84.7% | 83.0% |
| Completed some college | 79.5% | 64.1% | 59.4% |
| Completed associate degree | 50.1% | 44.2% | 38.5% |
| Completed bachelors | 41.7% | 36.9% | 30.3% |
| Completed masters | 11.9% | 15.7% | 11.5% |
| Completed professional degree | 2.4% | 4.2% | 3.3% |
| Completed doctorate | 1.1% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Opal. Using the proficiency score averages, the average test scores for Opal, VA schools is n/a. The average student to teacher ratio is n/a. In Opal, VA, an average of 87.0% of students have completed 8th grade and an average of 86.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Haymarket, VA | 1,485 | 90% | 88.2% |
| Nokesville, VA | 1,366 | 88% | 82.3% |
| Gainesville, VA | 16,391 | 86% | 80.0% |
| New Baltimore, VA | 11,017 | 86% | 78.1% |
| Linton Hall, VA | 41,426 | 85% | 76.4% |
| Opal, VA | 690 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Avon, IL | 690 | 18% | 63.5% |
| Fairfield, MT | 690 | 66% | 37.0% |
| Riegelwood, NC | 691 | 25% | 48.4% |
| Verona, MO | 691 | 31% | 35.9% |
| Loon Lake, WA | 689 | 44% | 9.4% |
| Opal, VA | 690 | n/a |
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