| Index | Covington | Washington | National |
| Average Test Scores | 55% | 54% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
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| Index | Covington | Washington | National |
| Completed 8th grade | 89.9% | 87.5% | 84.3% |
| Completed high school | 89.7% | 86.6% | 83.0% |
| Completed some college | 67.0% | 67.7% | 59.4% |
| Completed associate degree | 41.3% | 43.3% | 38.5% |
| Completed bachelors | 29.2% | 33.6% | 30.3% |
| Completed masters | 7.5% | 12.3% | 11.5% |
| Completed professional degree | 1.5% | 3.6% | 3.3% |
| Completed doctorate | 0.4% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Covington. Using the proficiency score averages, the average test scores for Covington, WA schools is 55%. The average student to teacher ratio is n/a. In Covington, WA, an average of 89.9% of students have completed 8th grade and an average of 89.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mercer Island, WA | 26,374 | 85% | 77.8% |
| Fall City, WA | 2,429 | 78% | 63.0% |
| Lake Tapps, WA | 12,497 | 78% | 62.8% |
| Maple Valley, WA | 27,291 | 74% | 54.2% |
| Issaquah, WA | 39,876 | 74% | 53.7% |
| Covington, WA | 21,603 | 55% | 13.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Chambersburg, PA | 21,603 | 57% | 18.1% |
| Ashland, OR | 21,633 | 62% | 29.8% |
| Lakeside, CA | 21,636 | 46% | 4.2% |
| Clifton, CO | 21,554 | 18% | 63.5% |
| South Milwaukee, WI | 21,661 | 38% | 21.2% |
| Covington, WA | 21,603 | 55% | 13.8% |
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