| Index | Bluffton | Indiana | National |
| Average Test Scores | 53% | 47% | 48% |
| Student/Teacher ratio | 24:1 | 22:1 | 16:1 |
| Total public schools | 4 | 1,755 | 79,221 |
| Total private schools | 3 | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Bluffton | Indiana | National |
| Completed 8th grade | 86.7% | 84.6% | 84.3% |
| Completed high school | 85.2% | 82.9% | 83.0% |
| Completed some college | 50.4% | 53.8% | 59.4% |
| Completed associate degree | 28.2% | 33.0% | 38.5% |
| Completed bachelors | 15.7% | 24.6% | 30.3% |
| Completed masters | 5.6% | 8.9% | 11.5% |
| Completed professional degree | 1.8% | 2.4% | 3.3% |
| Completed doctorate | 0.4% | 1.0% | 1.3% |
There are a total of 4 public schools, 3 private schools and n/a post-secondary schools in Bluffton. Using the proficiency score averages, the average test scores for Bluffton, IN schools is 53%. The average student to teacher ratio is 24:1. In Bluffton, IN, an average of 86.7% of students have completed 8th grade and an average of 85.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Warren, IN | 1,430 | 60% | 23.6% |
| Monroe, IN | 760 | 53% | 10.5% |
| Berne, IN | 3,982 | 52% | 8.8% |
| Poneto, IN | 153 | 51% | 6.5% |
| Ossian, IN | 3,770 | 50% | 4.3% |
| Bluffton, IN | 9,702 | 53% | 10.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Gateway, FL | 9,699 | 62% | 27.8% |
| Sunbury, PA | 9,705 | 51% | 5.5% |
| Cairo, GA | 9,708 | 27% | 44.3% |
| Sumner, WA | 9,691 | 67% | 39.4% |
| Rincon, GA | 9,690 | 60% | 25.5% |
| Bluffton, IN | 9,702 | 53% | 10.1% |
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