| Index | McKenna | Washington | National |
| Average Test Scores | 61% | 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 |
| Index | McKenna | Washington | National |
| Completed 8th grade | 95.0% | 87.5% | 84.3% |
| Completed high school | 93.1% | 86.6% | 83.0% |
| Completed some college | 33.4% | 67.7% | 59.4% |
| Completed associate degree | 17.4% | 43.3% | 38.5% |
| Completed bachelors | 8.6% | 33.6% | 30.3% |
| Completed masters | 2.6% | 12.3% | 11.5% |
| Completed professional degree | 0.0% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in McKenna. Using the proficiency score averages, the average test scores for McKenna, WA schools is 61%. The average student to teacher ratio is n/a. In McKenna, WA, an average of 95.0% of students have completed 8th grade and an average of 93.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clear Lake, WA | 1,101 | 75% | 55.2% |
| North Fort Lewis, WA | 6,402 | 63% | 31.8% |
| DuPont, WA | 9,514 | 61% | 26.0% |
| Fort Lewis, WA | 13,045 | 59% | 22.2% |
| Graham, WA | 32,505 | 58% | 21.6% |
| McKenna, WA | 623 | 61% | 27.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Solomon, AZ | 623 | 50% | 3.1% |
| Carlock, IL | 623 | 50% | 4.2% |
| Parishville, NY | 623 | 58% | 21.4% |
| Arnett, OK | 623 | 46% | 4.2% |
| Pitkin, LA | 624 | 80% | 66.7% |
| McKenna, WA | 623 | 61% | 27.1% |
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