| Index | Merkel | Texas | National |
| Average Test Scores | 41% | 47% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 5 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Merkel | Texas | National |
| Completed 8th grade | 75.6% | 79.3% | 84.3% |
| Completed high school | 72.9% | 77.8% | 83.0% |
| Completed some college | 43.8% | 57.3% | 59.4% |
| Completed associate degree | 20.7% | 34.9% | 38.5% |
| Completed bachelors | 10.5% | 28.1% | 30.3% |
| Completed masters | 3.3% | 9.6% | 11.5% |
| Completed professional degree | 0.6% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in Merkel. Using the proficiency score averages, the average test scores for Merkel, TX schools is 41%. The average student to teacher ratio is 12:1. In Merkel, TX, an average of 75.6% of students have completed 8th grade and an average of 72.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo Gap, TX | 609 | 67% | 39.6% |
| Hawley, TX | 447 | 39% | 18.4% |
| Trent, TX | 189 | 37% | 22.9% |
| Merkel, TX | 2,618 | 41% | 14.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Pearl River, LA | 2,618 | 72% | 50.3% |
| Homestead Valley, CA | 2,619 | 35% | 28.1% |
| Ruleville, MS | 2,617 | 23% | 52.4% |
| Freemansburg, PA | 2,617 | 27% | 43.8% |
| Dayton, WA | 2,620 | 58% | 20.8% |
| Merkel, TX | 2,618 | 41% | 14.2% |
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