| Index | Marlboro | 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 | Marlboro | Ohio | National |
| Completed 8th grade | 83.8% | 86.9% | 84.3% |
| Completed high school | 83.8% | 85.6% | 83.0% |
| Completed some college | 63.5% | 55.7% | 59.4% |
| Completed associate degree | 10.1% | 35.1% | 38.5% |
| Completed bachelors | 5.4% | 26.7% | 30.3% |
| Completed masters | 0.0% | 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 Marlboro. Using the proficiency score averages, the average test scores for Marlboro, OH schools is n/a. The average student to teacher ratio is n/a. In Marlboro, OH, an average of 83.8% of students have completed 8th grade and an average of 83.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hartville, OH | 3,054 | 87% | 80.2% |
| Uniontown, OH | 7,035 | 83% | 72.9% |
| North Canton, OH | 17,244 | 83% | 72.1% |
| Green, OH | 25,737 | 83% | 71.9% |
| Silver Lake, OH | 2,496 | 82% | 70.8% |
| Marlboro, OH | 296 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Belcher, LA | 296 | 94% | 95.8% |
| Bullhead, SD | 296 | 20% | 58.3% |
| St. Joe, AR | 296 | 47% | 2.1% |
| Avinger, TX | 296 | 37% | 22.9% |
| Dodson, LA | 296 | 67% | 39.6% |
| Marlboro, OH | 296 | n/a |
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