| Index | Addy | Washington | National |
| Average Test Scores | 45% | 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 | Addy | Washington | National |
| Completed 8th grade | 84.3% | 87.5% | 84.3% |
| Completed high school | 84.3% | 86.6% | 83.0% |
| Completed some college | 54.2% | 67.7% | 59.4% |
| Completed associate degree | 0.0% | 43.3% | 38.5% |
| Completed bachelors | 0.0% | 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 Addy. Using the proficiency score averages, the average test scores for Addy, WA schools is 45%. The average student to teacher ratio is n/a. In Addy, WA, an average of 84.3% of students have completed 8th grade and an average of 84.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Colville, WA | 4,786 | 58% | 20.0% |
| Valley, WA | 122 | 47% | 1.4% |
| Chewelah, WA | 2,645 | 46% | 3.5% |
| Addy, WA | 40 | 45% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Levelock, AK | 40 | 20% | 58.3% |
| Lewiston, NE | 40 | 48% | 1.0% |
| California Hot Springs, CA | 40 | 50% | 4.2% |
| Sun River, MT | 41 | 50% | 4.2% |
| Avilla, MO | 41 | 35% | 28.1% |
| Addy, WA | 40 | 45% | 6.3% |
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