| Index | Bluffton | Indiana | National |
| Average Test Scores | 73% | 66% | 49% |
| 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 73%. 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, State | Population | Avg. Test Scores | National Avg. |
| Monroe, IN | 760 | 79% | 61% |
| Bryant, IN | 281 | 77% | 56% |
| Berne, IN | 3,982 | 76% | 54% |
| Ossian, IN | 3,770 | 73% | 47% |
| Decatur, IN | 9,384 | 68% | 39% |
| Bluffton, IN | 9,702 | 73% | 49% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Gateway, FL | 9,699 | 53% | 7% |
| Sunbury, PA | 9,705 | 53% | 8% |
| Cairo, GA | 9,708 | 23% | 53% |
| Corte Madera, CA | 9,694 | 80% | 62% |
| Sumner, WA | 9,691 | 60% | 21% |
| Bluffton, IN | 9,702 | 73% | 49% |
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