| Index | Granger | Texas | National |
| Average Test Scores | 43% | 47% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 2 | 7,418 | 79,221 |
| Total private schools | 1 | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Granger | Texas | National |
| Completed 8th grade | 72.4% | 79.3% | 84.3% |
| Completed high school | 69.9% | 77.8% | 83.0% |
| Completed some college | 38.0% | 57.3% | 59.4% |
| Completed associate degree | 21.1% | 34.9% | 38.5% |
| Completed bachelors | 9.7% | 28.1% | 30.3% |
| Completed masters | 2.5% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Granger. Using the proficiency score averages, the average test scores for Granger, TX schools is 43%. The average student to teacher ratio is 11:1. In Granger, TX, an average of 72.4% of students have completed 8th grade and an average of 69.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Thrall, TX | 720 | 59% | 23.3% |
| Holland, TX | 1,574 | 59% | 22.6% |
| Round Rock, TX | 128,812 | 56% | 15.9% |
| Rogers, TX | 1,396 | 51% | 5.2% |
| Hutto, TX | 26,778 | 46% | 4.8% |
| Granger, TX | 1,146 | 43% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Killen, AL | 1,146 | 58% | 20.8% |
| Sperry, OK | 1,145 | 31% | 35.4% |
| Hawley, PA | 1,147 | 60% | 24.7% |
| Pierceton, IN | 1,145 | 32% | 33.3% |
| King Cove, AK | 1,147 | 20% | 58.3% |
| Granger, TX | 1,146 | 43% | 10.4% |
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