| Index | Waterloo | Indiana | National |
| Average Test Scores | 49% | 47% | 48% |
| Student/Teacher ratio | 41:1 | 22:1 | 16:1 |
| Total public schools | 3 | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Waterloo | Indiana | National |
| Completed 8th grade | 83.0% | 84.6% | 84.3% |
| Completed high school | 82.1% | 82.9% | 83.0% |
| Completed some college | 46.5% | 53.8% | 59.4% |
| Completed associate degree | 21.6% | 33.0% | 38.5% |
| Completed bachelors | 10.8% | 24.6% | 30.3% |
| Completed masters | 4.0% | 8.9% | 11.5% |
| Completed professional degree | 1.4% | 2.4% | 3.3% |
| Completed doctorate | 1.4% | 1.0% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Waterloo. Using the proficiency score averages, the average test scores for Waterloo, IN schools is 49%. The average student to teacher ratio is 41:1. In Waterloo, IN, an average of 83.0% of students have completed 8th grade and an average of 82.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hicksville, OH | 3,110 | 86% | 77.7% |
| Edon, OH | 818 | 77% | 60.0% |
| Edgerton, OH | 2,162 | 75% | 54.8% |
| Leo-Cedarville, IN | 3,721 | 68% | 40.3% |
| Auburn, IN | 12,758 | 55% | 13.3% |
| Waterloo, IN | 2,166 | 49% | 1.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Elkton, KY | 2,166 | 43% | 11.3% |
| Elsberry, MO | 2,166 | 39% | 20.0% |
| Milford, ME | 2,166 | 42% | 12.7% |
| Abbotsford, WI | 2,166 | 24% | 50.6% |
| Aberdeen, ID | 2,167 | 38% | 21.0% |
| Waterloo, IN | 2,166 | 49% | 1.1% |
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