| Index | Rensselaer | Indiana | National |
| Average Test Scores | 46% | 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 | 1 | 141 | 7,963 |
| Index | Rensselaer | Indiana | National |
| Completed 8th grade | 77.8% | 84.6% | 84.3% |
| Completed high school | 76.5% | 82.9% | 83.0% |
| Completed some college | 48.4% | 53.8% | 59.4% |
| Completed associate degree | 27.2% | 33.0% | 38.5% |
| Completed bachelors | 17.8% | 24.6% | 30.3% |
| Completed masters | 7.9% | 8.9% | 11.5% |
| Completed professional degree | 3.5% | 2.4% | 3.3% |
| Completed doctorate | 1.4% | 1.0% | 1.3% |
There are a total of 4 public schools, 1 private schools and 1 post-secondary schools in Rensselaer. Using the proficiency score averages, the average test scores for Rensselaer, IN schools is 46%. The average student to teacher ratio is 17:1. In Rensselaer, IN, an average of 77.8% of students have completed 8th grade and an average of 76.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wolcott, IN | 1,244 | 56% | 16.1% |
| Lake Village, IN | 707 | 55% | 13.5% |
| Kentland, IN | 1,809 | 50% | 4.2% |
| Morocco, IN | 1,097 | 45% | 7.3% |
| Francesville, IN | 866 | 41% | 14.2% |
| Rensselaer, IN | 6,151 | 46% | 4.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Holly, MI | 6,151 | 54% | 11.6% |
| Elm Grove, WI | 6,156 | 69% | 44.3% |
| Glenarden, MD | 6,158 | 16% | 66.7% |
| Carlstadt, NJ | 6,158 | 50% | 3.1% |
| Harriman, TN | 6,144 | 34% | 29.2% |
| Rensselaer, IN | 6,151 | 46% | 4.5% |
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