| Index | Coulee City | Washington | National |
| Average Test Scores | 63% | 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 | Coulee City | Washington | National |
| Completed 8th grade | 83.3% | 87.5% | 84.3% |
| Completed high school | 81.9% | 86.6% | 83.0% |
| Completed some college | 45.8% | 67.7% | 59.4% |
| Completed associate degree | 26.5% | 43.3% | 38.5% |
| Completed bachelors | 21.6% | 33.6% | 30.3% |
| Completed masters | 8.6% | 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 Coulee City. Using the proficiency score averages, the average test scores for Coulee City, WA schools is 63%. The average student to teacher ratio is n/a. In Coulee City, WA, an average of 83.3% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wilson Creek, WA | 193 | 45% | 6.3% |
| Coulee City, WA | 579 | 63% | 30.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Ullin, IL | 579 | 10% | 78.6% |
| LeRoy, KS | 579 | 30% | 37.5% |
| Laddonia, MO | 579 | 37% | 22.9% |
| West Valley, NY | 579 | 47% | 2.1% |
| Pryor, MT | 579 | 30% | 37.5% |
| Coulee City, WA | 579 | 63% | 30.2% |
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