| Index | Bluffton | Ohio | National |
| Average Test Scores | 85% | 61% | 48% |
| Student/Teacher ratio | 17:1 | 17:1 | 16:1 |
| Total public schools | 3 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | 1 | 393 | 7,963 |
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| Index | Bluffton | Ohio | National |
| Completed 8th grade | 95.4% | 86.9% | 84.3% |
| Completed high school | 95.1% | 85.6% | 83.0% |
| Completed some college | 70.8% | 55.7% | 59.4% |
| Completed associate degree | 50.6% | 35.1% | 38.5% |
| Completed bachelors | 44.0% | 26.7% | 30.3% |
| Completed masters | 23.1% | 10.0% | 11.5% |
| Completed professional degree | 7.0% | 2.7% | 3.3% |
| Completed doctorate | 3.7% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and 1 post-secondary schools in Bluffton. Using the proficiency score averages, the average test scores for Bluffton, OH schools is 85%. The average student to teacher ratio is 17:1. In Bluffton, OH, an average of 95.4% of students have completed 8th grade and an average of 95.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Miller City, OH | 148 | 87% | 80.9% |
| Columbus Grove, OH | 1,808 | 78% | 63.2% |
| Ottawa, OH | 4,455 | 77% | 60.1% |
| Pandora, OH | 1,291 | 76% | 59.0% |
| Arlington, OH | 1,616 | 76% | 57.8% |
| Bluffton, OH | 4,159 | 85% | 77.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Akron, PA | 4,160 | 65% | 34.4% |
| Newcomerstown, OH | 4,160 | 54% | 12.5% |
| Esparto, CA | 4,160 | 27% | 44.1% |
| Fayetteville, NY | 4,157 | 74% | 54.9% |
| Smithton, IL | 4,157 | 61% | 27.1% |
| Bluffton, OH | 4,159 | 85% | 77.4% |
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