| Index | Sultan | Washington | National |
| Average Test Scores | 50% | 54% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 4 | 1,991 | 79,221 |
| Total private schools | 1 | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |


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| Index | Sultan | Washington | National |
| Completed 8th grade | 89.0% | 87.5% | 84.3% |
| Completed high school | 89.0% | 86.6% | 83.0% |
| Completed some college | 60.9% | 67.7% | 59.4% |
| Completed associate degree | 33.9% | 43.3% | 38.5% |
| Completed bachelors | 17.7% | 33.6% | 30.3% |
| Completed masters | 4.7% | 12.3% | 11.5% |
| Completed professional degree | 0.4% | 3.6% | 3.3% |
| Completed doctorate | 0.4% | 1.5% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Sultan. Using the proficiency score averages, the average test scores for Sultan, WA schools is 50%. The average student to teacher ratio is 21:1. In Sultan, WA, an average of 89.0% of students have completed 8th grade and an average of 89.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Redmond, WA | 70,521 | 83% | 73.1% |
| Duvall, WA | 8,210 | 77% | 60.4% |
| Lake Stevens, WA | 34,189 | 64% | 32.6% |
| Snohomish, WA | 10,507 | 60% | 25.1% |
| Gold Bar, WA | 2,068 | 55% | 13.5% |
| Sultan, WA | 5,505 | 50% | 4.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Shillington, PA | 5,504 | 53% | 10.8% |
| Cut Off, LA | 5,501 | 80% | 65.6% |
| Red Oak, IA | 5,512 | 58% | 21.6% |
| Big Bear Lake, CA | 5,513 | 34% | 28.5% |
| Glenwood, IA | 5,514 | 77% | 59.4% |
| Sultan, WA | 5,505 | 50% | 4.9% |