| Index | Parker | South Carolina | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Parker | South Carolina | National |
| Completed 8th grade | 59.6% | 83.0% | 84.3% |
| Completed high school | 54.3% | 81.6% | 83.0% |
| Completed some college | 31.0% | 56.6% | 59.4% |
| Completed associate degree | 14.3% | 35.6% | 38.5% |
| Completed bachelors | 10.8% | 26.5% | 30.3% |
| Completed masters | 2.3% | 9.6% | 11.5% |
| Completed professional degree | 1.0% | 2.5% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Parker. Using the proficiency score averages, the average test scores for Parker, SC schools is n/a. The average student to teacher ratio is n/a. In Parker, SC, an average of 59.6% of students have completed 8th grade and an average of 54.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Taylors, SC | 23,107 | 69% | 43.6% |
| Mauldin, SC | 25,829 | 69% | 42.7% |
| Greer, SC | 32,229 | 64% | 33.0% |
| Simpsonville, SC | 23,200 | 63% | 31.7% |
| West Pelzer, SC | 1,049 | 61% | 26.0% |
| Parker, SC | 12,175 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mendota, CA | 12,173 | 40% | 16.7% |
| Escanaba, MI | 12,180 | 40% | 17.3% |
| Abbeville, LA | 12,167 | 78% | 62.6% |
| Lake City, FL | 12,166 | 59% | 22.6% |
| Freeport, TX | 12,184 | 39% | 19.8% |
| Parker, SC | 12,175 | n/a |
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