| Index | Gardendale | Texas | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Gardendale | Texas | National |
| Completed 8th grade | 83.7% | 79.3% | 84.3% |
| Completed high school | 83.7% | 77.8% | 83.0% |
| Completed some college | 59.2% | 57.3% | 59.4% |
| Completed associate degree | 19.4% | 34.9% | 38.5% |
| Completed bachelors | 12.9% | 28.1% | 30.3% |
| Completed masters | 1.8% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Gardendale. Using the proficiency score averages, the average test scores for Gardendale, TX schools is n/a. The average student to teacher ratio is n/a. In Gardendale, TX, an average of 83.7% of students have completed 8th grade and an average of 83.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Odessa, TX | 122,630 | 35% | 26.7% |
| Gardendale, TX | 1,389 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| New Middletown, OH | 1,389 | 84% | 74.3% |
| Woodburn, IN | 1,390 | 56% | 16.1% |
| East Earl, PA | 1,388 | 49% | 1.0% |
| Dixfield, ME | 1,388 | 26% | 45.8% |
| Parks, AZ | 1,388 | 50% | 3.1% |
| Gardendale, TX | 1,389 | n/a |
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