| Index | Parker | Texas | National |
| Average Test Scores | 68% | 47% | 48% |
| Student/Teacher ratio | 18:1 | 14:1 | 16:1 |
| Total public schools | 1 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
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| Index | Parker | Texas | National |
| Completed 8th grade | 86.7% | 79.3% | 84.3% |
| Completed high school | 85.7% | 77.8% | 83.0% |
| Completed some college | 76.5% | 57.3% | 59.4% |
| Completed associate degree | 58.6% | 34.9% | 38.5% |
| Completed bachelors | 53.5% | 28.1% | 30.3% |
| Completed masters | 19.2% | 9.6% | 11.5% |
| Completed professional degree | 5.1% | 2.6% | 3.3% |
| Completed doctorate | 1.1% | 1.1% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Parker. Using the proficiency score averages, the average test scores for Parker, TX schools is 68%. The average student to teacher ratio is 18:1. In Parker, TX, an average of 86.7% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lucas, TX | 8,137 | 86% | 78.8% |
| Fairview, TX | 8,998 | 83% | 71.9% |
| Murphy, TX | 20,711 | 73% | 51.8% |
| Frisco, TX | 188,387 | 71% | 48.9% |
| Allen, TX | 104,040 | 71% | 48.1% |
| Parker, TX | 4,920 | 68% | 40.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Becker, MN | 4,919 | 65% | 35.1% |
| Sheridan, AR | 4,919 | 47% | 3.1% |
| Osage Beach, MO | 4,923 | 51% | 6.3% |
| Adel, IA | 4,924 | 84% | 74.5% |
| Ironwood, MI | 4,925 | 42% | 13.5% |
| Parker, TX | 4,920 | 68% | 40.6% |
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