| Index | Port Jefferson | 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 Jefferson | Ohio | National |
| Completed 8th grade | 69.9% | 86.9% | 84.3% |
| Completed high school | 67.0% | 85.6% | 83.0% |
| Completed some college | 25.4% | 55.7% | 59.4% |
| Completed associate degree | 12.5% | 35.1% | 38.5% |
| Completed bachelors | 6.1% | 26.7% | 30.3% |
| Completed masters | 1.4% | 10.0% | 11.5% |
| Completed professional degree | 0.0% | 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 Jefferson. Using the proficiency score averages, the average test scores for Port Jefferson, OH schools is n/a. The average student to teacher ratio is n/a. In Port Jefferson, OH, an average of 69.9% of students have completed 8th grade and an average of 67.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Minster, OH | 2,784 | 90% | 87.0% |
| Fort Loramie, OH | 1,430 | 89% | 84.4% |
| New Bremen, OH | 2,798 | 87% | 81.8% |
| Botkins, OH | 1,151 | 84% | 75.5% |
| Anna, OH | 1,608 | 83% | 72.6% |
| Port Jefferson, OH | 434 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Richfield, PA | 434 | 50% | 4.2% |
| Crofton, KY | 434 | 55% | 14.6% |
| Pine Point, MN | 434 | 30% | 37.5% |
| Orient, IA | 434 | 63% | 30.2% |
| Clayton, WI | 435 | 27% | 43.4% |
| Port Jefferson, OH | 434 | n/a |
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