| Index | Garland | Texas | National |
| Average Test Scores | 47% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 60 | 7,418 | 79,221 |
| Total private schools | 10 | 1,267 | 24,874 |
| Total post-secondary schools | 6 | 463 | 7,963 |
| Index | Garland | Texas | National |
| Completed 8th grade | 74.1% | 79.3% | 84.3% |
| Completed high school | 72.2% | 77.8% | 83.0% |
| Completed some college | 51.6% | 57.3% | 59.4% |
| Completed associate degree | 29.2% | 34.9% | 38.5% |
| Completed bachelors | 22.5% | 28.1% | 30.3% |
| Completed masters | 6.6% | 9.6% | 11.5% |
| Completed professional degree | 1.3% | 2.6% | 3.3% |
| Completed doctorate | 0.6% | 1.1% | 1.3% |
There are a total of 60 public schools, 10 private schools and 6 post-secondary schools in Garland. Using the proficiency score averages, the average test scores for Garland, TX schools is 47%. The average student to teacher ratio is 15:1. In Garland, TX, an average of 74.1% of students have completed 8th grade and an average of 72.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lucas, TX | 8,137 | 86% | 78.8% |
| Murphy, TX | 20,711 | 73% | 51.8% |
| Allen, TX | 104,040 | 71% | 48.1% |
| Heath, TX | 9,069 | 69% | 43.8% |
| Parker, TX | 4,920 | 68% | 40.6% |
| Garland, TX | 238,622 | 47% | 2.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Irving, TX | 240,475 | 46% | 4.9% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Fremont, CA | 234,829 | 69% | 43.6% |
| Chesapeake, VA | 242,647 | 82% | 71.8% |
| Hialeah, FL | 233,876 | 59% | 22.5% |
| Garland, TX | 238,622 | 47% | 2.4% |
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