| Index | Port William | Ohio | National |
| Average Test Scores | n/a | 61% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Port William | Ohio | National |
| Completed 8th grade | 76.1% | 86.9% | 84.3% |
| Completed high school | 74.8% | 85.6% | 83.0% |
| Completed some college | 23.9% | 55.7% | 59.4% |
| Completed associate degree | 12.3% | 35.1% | 38.5% |
| Completed bachelors | 11.0% | 26.7% | 30.3% |
| Completed masters | 1.9% | 10.0% | 11.5% |
| Completed professional degree | 0.6% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Port William. Using the proficiency score averages, the average test scores for Port William, OH schools is n/a. The average student to teacher ratio is n/a. In Port William, OH, an average of 76.1% of students have completed 8th grade and an average of 74.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cedarville, OH | 3,848 | 80% | 66.1% |
| Beavercreek, OH | 47,343 | 79% | 64.3% |
| Leesburg, OH | 1,449 | 73% | 51.7% |
| Clarksville, OH | 455 | 71% | 48.6% |
| Jamestown, OH | 2,150 | 66% | 38.2% |
| Port William, OH | 315 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wetmore, KS | 315 | 47% | 1.6% |
| Texline, TX | 315 | 42% | 12.5% |
| East Glacier Park Village, MT | 315 | 20% | 58.3% |
| Fife Lake, MI | 315 | 32% | 32.6% |
| Dix, NE | 316 | 84% | 74.0% |
| Port William, OH | 315 | n/a |
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