| Index | Quinlan | Texas | National |
| Average Test Scores | 43% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 9 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Quinlan | Texas | National |
| Completed 8th grade | 73.2% | 79.3% | 84.3% |
| Completed high school | 71.4% | 77.8% | 83.0% |
| Completed some college | 34.1% | 57.3% | 59.4% |
| Completed associate degree | 11.4% | 34.9% | 38.5% |
| Completed bachelors | 7.8% | 28.1% | 30.3% |
| Completed masters | 0.7% | 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 9 public schools, n/a private schools and n/a post-secondary schools in Quinlan. Using the proficiency score averages, the average test scores for Quinlan, TX schools is 43%. The average student to teacher ratio is 14:1. In Quinlan, TX, an average of 73.2% of students have completed 8th grade and an average of 71.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Caddo Mills, TX | 1,666 | 64% | 33.3% |
| Fate, TX | 14,300 | 60% | 24.0% |
| Nevada, TX | 872 | 51% | 5.2% |
| Lone Oak, TX | 631 | 49% | 2.1% |
| Royse City, TX | 13,773 | 48% | 0.3% |
| Quinlan, TX | 1,758 | 43% | 9.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Smackover, AR | 1,758 | 47% | 2.1% |
| San Rafael, NM | 1,757 | 25% | 47.9% |
| Edgewood, TX | 1,759 | 56% | 15.6% |
| Denver, IA | 1,759 | 90% | 87.2% |
| Shelbina, MO | 1,759 | 45% | 6.9% |
| Quinlan, TX | 1,758 | 43% | 9.9% |
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