| Index | Cliffdell | Washington | National |
| Average Test Scores | n/a | 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 | Cliffdell | Washington | National |
| Completed 8th grade | 98.4% | 87.5% | 84.3% |
| Completed high school | 98.4% | 86.6% | 83.0% |
| Completed some college | 96.8% | 67.7% | 59.4% |
| Completed associate degree | 52.4% | 43.3% | 38.5% |
| Completed bachelors | 52.4% | 33.6% | 30.3% |
| Completed masters | 0.0% | 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 Cliffdell. Using the proficiency score averages, the average test scores for Cliffdell, WA schools is n/a. The average student to teacher ratio is n/a. In Cliffdell, WA, an average of 98.4% of students have completed 8th grade and an average of 98.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cliffdell, WA | 136 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Minto, AK | 136 | 25% | 47.9% |
| Wainwright, OK | 136 | 25% | 47.9% |
| Kittrell, NC | 136 | 32% | 33.3% |
| Waterloo, AL | 137 | 40% | 17.7% |
| Craig, MO | 137 | 50% | 4.2% |
| Cliffdell, WA | 136 | n/a |
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