| Index | King William | Virginia | National |
| Average Test Scores | 78% | 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 | King William | Virginia | National |
| Completed 8th grade | 80.5% | 85.9% | 84.3% |
| Completed high school | 73.6% | 84.7% | 83.0% |
| Completed some college | 43.1% | 64.1% | 59.4% |
| Completed associate degree | 17.2% | 44.2% | 38.5% |
| Completed bachelors | 9.2% | 36.9% | 30.3% |
| Completed masters | 9.2% | 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 King William. Using the proficiency score averages, the average test scores for King William, VA schools is 78%. The average student to teacher ratio is n/a. In King William, VA, an average of 80.5% of students have completed 8th grade and an average of 73.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| West Point, VA | 3,297 | 93% | 93.8% |
| New Kent, VA | 799 | 85% | 76.4% |
| King and Queen Court House, VA | 90 | 77% | 60.4% |
| King William, VA | 314 | 78% | 62.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Spickard, MO | 314 | 50% | 4.2% |
| Pueblo Pintado, NM | 314 | 15% | 68.8% |
| Fife Lake, MI | 315 | 32% | 32.6% |
| Hoven, SD | 313 | 50% | 4.2% |
| Kensal, ND | 313 | 50% | 4.2% |
| King William, VA | 314 | 78% | 62.2% |
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