| Index | Coulee Dam | Washington | National |
| Average Test Scores | 39% | 54% | 48% |
| Student/Teacher ratio | 17:1 | 20:1 | 16:1 |
| Total public schools | 2 | 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 | Coulee Dam | Washington | National |
| Completed 8th grade | 89.5% | 87.5% | 84.3% |
| Completed high school | 88.1% | 86.6% | 83.0% |
| Completed some college | 65.5% | 67.7% | 59.4% |
| Completed associate degree | 33.9% | 43.3% | 38.5% |
| Completed bachelors | 18.5% | 33.6% | 30.3% |
| Completed masters | 7.8% | 12.3% | 11.5% |
| Completed professional degree | 2.0% | 3.6% | 3.3% |
| Completed doctorate | 0.7% | 1.5% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Coulee Dam. Using the proficiency score averages, the average test scores for Coulee Dam, WA schools is 39%. The average student to teacher ratio is 17:1. In Coulee Dam, WA, an average of 89.5% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wilbur, WA | 793 | 55% | 14.1% |
| Keller, WA | 212 | 30% | 37.5% |
| Nespelem, WA | 221 | 10% | 79.2% |
| Coulee Dam, WA | 1,393 | 39% | 19.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Contoocook, NH | 1,393 | 68% | 42.0% |
| Starbuck, MN | 1,393 | 45% | 6.3% |
| Claude, TX | 1,393 | 57% | 18.8% |
| Peach Springs, AZ | 1,394 | 9% | 81.8% |
| Hillsboro, WI | 1,392 | 40% | 17.7% |
| Coulee Dam, WA | 1,393 | 39% | 19.1% |
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