| Index | Arlington Heights | 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 |


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| Index | Arlington Heights | Washington | National |
| Completed 8th grade | 91.2% | 87.5% | 84.3% |
| Completed high school | 91.2% | 86.6% | 83.0% |
| Completed some college | 54.4% | 67.7% | 59.4% |
| Completed associate degree | 29.3% | 43.3% | 38.5% |
| Completed bachelors | 20.7% | 33.6% | 30.3% |
| Completed masters | 2.9% | 12.3% | 11.5% |
| Completed professional degree | 1.2% | 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 Arlington Heights. Using the proficiency score averages, the average test scores for Arlington Heights, WA schools is n/a. The average student to teacher ratio is n/a. In Arlington Heights, WA, an average of 91.2% of students have completed 8th grade and an average of 91.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lake Stevens, WA | 33,470 | 64% | 32.6% |
| Stanwood, WA | 7,228 | 59% | 23.4% |
| Arlington, WA | 19,947 | 54% | 11.7% |
| Mount Vernon, WA | 35,502 | 49% | 1.1% |
| Marysville, WA | 69,629 | 45% | 6.7% |
| Arlington Heights, WA | 2,463 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Coats, NC | 2,463 | 35% | 27.1% |
| Guyton, GA | 2,463 | 54% | 11.9% |
| Timmonsville, SC | 2,464 | 28% | 41.7% |
| Kiln, MS | 2,462 | 59% | 23.2% |
| Crooksville, OH | 2,465 | 56% | 16.3% |
| Arlington Heights, WA | 2,463 | n/a |