| Index | Ellensburg | Washington | National |
| Average Test Scores | 51% | 54% | 48% |
| Student/Teacher ratio | 20:1 | 20:1 | 16:1 |
| Total public schools | 8 | 1,991 | 79,221 |
| Total private schools | 1 | 548 | 24,874 |
| Total post-secondary schools | 1 | 147 | 7,963 |
| Index | Ellensburg | Washington | National |
| Completed 8th grade | 86.5% | 87.5% | 84.3% |
| Completed high school | 85.2% | 86.6% | 83.0% |
| Completed some college | 73.2% | 67.7% | 59.4% |
| Completed associate degree | 50.3% | 43.3% | 38.5% |
| Completed bachelors | 43.5% | 33.6% | 30.3% |
| Completed masters | 13.6% | 12.3% | 11.5% |
| Completed professional degree | 5.4% | 3.6% | 3.3% |
| Completed doctorate | 3.8% | 1.5% | 1.3% |
There are a total of 8 public schools, 1 private schools and 1 post-secondary schools in Ellensburg. Using the proficiency score averages, the average test scores for Ellensburg, WA schools is 51%. The average student to teacher ratio is 20:1. In Ellensburg, WA, an average of 86.5% of students have completed 8th grade and an average of 85.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Thorp, WA | 111 | 60% | 24.0% |
| Kittitas, WA | 1,378 | 49% | 2.1% |
| Ellensburg, WA | 21,153 | 51% | 7.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Bryant, AR | 21,143 | 58% | 19.8% |
| Merrick, NY | 21,169 | 76% | 58.6% |
| Clemmons, NC | 21,136 | 66% | 38.0% |
| Universal City, TX | 21,174 | 47% | 1.5% |
| Lockport, NY | 21,177 | 58% | 21.5% |
| Ellensburg, WA | 21,153 | 51% | 7.0% |
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