| 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 | 142 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Boston, KY | 142 | 61% | 27.1% |
| Coal Center, PA | 142 | 60% | 24.0% |
| Washington, CA | 142 | 50% | 4.2% |
| Frankfort, SD | 142 | 42% | 13.2% |
| Halfway, MO | 143 | 42% | 12.0% |
| Cliffdell, WA | 142 | n/a |