| Index | Marengo | Indiana | National |
| Average Test Scores | 53% | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Marengo | Indiana | National |
| Completed 8th grade | 73.0% | 84.6% | 84.3% |
| Completed high school | 66.2% | 82.9% | 83.0% |
| Completed some college | 26.6% | 53.8% | 59.4% |
| Completed associate degree | 9.2% | 33.0% | 38.5% |
| Completed bachelors | 5.2% | 24.6% | 30.3% |
| Completed masters | 1.5% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Marengo. Using the proficiency score averages, the average test scores for Marengo, IN schools is 53%. The average student to teacher ratio is n/a. In Marengo, IN, an average of 73.0% of students have completed 8th grade and an average of 66.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Palmyra, IN | 1,553 | 68% | 41.7% |
| Corydon, IN | 3,154 | 56% | 17.2% |
| French Lick, IN | 1,792 | 51% | 5.2% |
| Milltown, IN | 819 | 50% | 3.1% |
| Paoli, IN | 3,633 | 44% | 7.8% |
| Marengo, IN | 658 | 53% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Marshall, NC | 658 | 55% | 13.8% |
| Alma, WI | 658 | 40% | 17.2% |
| Melba, ID | 658 | 46% | 3.6% |
| Crowell, TX | 658 | 37% | 22.9% |
| Scotland, SD | 658 | 41% | 15.6% |
| Marengo, IN | 658 | 53% | 10.4% |
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