| Index | Garrett | Indiana | National |
| Average Test Scores | 43% | 46% | 48% |
| Student/Teacher ratio | 17:1 | 22:1 | 16:1 |
| Total public schools | 4 | 1,755 | 79,221 |
| Total private schools | 1 | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Garrett | Indiana | National |
| Completed 8th grade | 81.2% | 84.6% | 84.3% |
| Completed high school | 79.6% | 82.9% | 83.0% |
| Completed some college | 40.3% | 53.8% | 59.4% |
| Completed associate degree | 17.0% | 33.0% | 38.5% |
| Completed bachelors | 10.0% | 24.6% | 30.3% |
| Completed masters | 3.3% | 8.9% | 11.5% |
| Completed professional degree | 0.0% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Garrett. Using the proficiency score averages, the average test scores for Garrett, IN schools is 43%. The average student to teacher ratio is 17:1. In Garrett, IN, an average of 81.2% of students have completed 8th grade and an average of 79.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Leo-Cedarville, IN | 3,814 | 68% | 40.6% |
| Auburn, IN | 13,209 | 55% | 13.5% |
| Avilla, IN | 2,725 | 52% | 8.3% |
| Waterloo, IN | 2,217 | 49% | 1.4% |
| Huntertown, IN | 7,224 | 48% | 1.0% |
| Garrett, IN | 6,507 | 43% | 10.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Purcell, OK | 6,508 | 33% | 30.6% |
| Estes Park, CO | 6,504 | 36% | 24.7% |
| Winsted, CT | 6,504 | 55% | 15.0% |
| Oakmont, PA | 6,504 | 77% | 60.4% |
| Milford, MI | 6,502 | 54% | 12.2% |
| Garrett, IN | 6,507 | 43% | 10.8% |
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