| Index | Granger | Wyoming | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 12:1 | 16:1 |
| Total public schools | n/a | 271 | 79,221 |
| Total private schools | n/a | 36 | 24,874 |
| Total post-secondary schools | n/a | 14 | 7,963 |
| Index | Granger | Wyoming | National |
| Completed 8th grade | 76.0% | 88.0% | 84.3% |
| Completed high school | 75.0% | 87.3% | 83.0% |
| Completed some college | 41.7% | 63.2% | 59.4% |
| Completed associate degree | 26.0% | 36.7% | 38.5% |
| Completed bachelors | 0.0% | 26.0% | 30.3% |
| Completed masters | 0.0% | 8.8% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Granger. Using the proficiency score averages, the average test scores for Granger, WY schools is n/a. The average student to teacher ratio is n/a. In Granger, WY, an average of 76.0% of students have completed 8th grade and an average of 75.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Granger, WY | 142 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Miller City, OH | 142 | 87% | 80.9% |
| Golovin, AK | 142 | 20% | 58.3% |
| Medora, ND | 142 | 70% | 45.8% |
| Kell, IL | 142 | 16% | 66.7% |
| Brashear, MO | 143 | 50% | 4.2% |
| Granger, WY | 142 | n/a |
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