| Index | Granger | Indiana | National |
| Average Test Scores | 82% | 46% | 48% |
| Student/Teacher ratio | 30:1 | 22:1 | 16:1 |
| Total public schools | 5 | 1,755 | 79,221 |
| Total private schools | 5 | 675 | 24,874 |
| Total post-secondary schools | 1 | 141 | 7,963 |
| Index | Granger | Indiana | National |
| Completed 8th grade | 95.5% | 84.6% | 84.3% |
| Completed high school | 95.2% | 82.9% | 83.0% |
| Completed some college | 76.9% | 53.8% | 59.4% |
| Completed associate degree | 61.1% | 33.0% | 38.5% |
| Completed bachelors | 52.5% | 24.6% | 30.3% |
| Completed masters | 22.4% | 8.9% | 11.5% |
| Completed professional degree | 8.8% | 2.4% | 3.3% |
| Completed doctorate | 4.4% | 1.0% | 1.3% |
There are a total of 5 public schools, 5 private schools and 1 post-secondary schools in Granger. Using the proficiency score averages, the average test scores for Granger, IN schools is 82%. The average student to teacher ratio is 30:1. In Granger, IN, an average of 95.5% of students have completed 8th grade and an average of 95.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Edwardsburg, MI | 1,115 | 66% | 37.2% |
| North Liberty, IN | 1,822 | 65% | 34.4% |
| Osceola, IN | 3,323 | 64% | 33.3% |
| Wakarusa, IN | 2,074 | 63% | 31.3% |
| Buchanan, MI | 4,270 | 50% | 4.2% |
| Granger, IN | 30,499 | 82% | 71.7% |
| City | Population | Avg. Test Scores | National Avg. |
| LaGrange, GA | 30,494 | 36% | 25.1% |
| Gurnee, IL | 30,519 | 32% | 34.0% |
| Holladay, UT | 30,461 | 24% | 51.0% |
| Parkville, MD | 30,459 | 10% | 79.2% |
| Nicholasville, KY | 30,549 | 50% | 3.8% |
| Granger, IN | 30,499 | 82% | 71.7% |
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