| Index | Sumas | Washington | National |
| Average Test Scores | 62% | 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 | Sumas | Washington | National |
| Completed 8th grade | 78.5% | 87.5% | 84.3% |
| Completed high school | 77.3% | 86.6% | 83.0% |
| Completed some college | 50.8% | 67.7% | 59.4% |
| Completed associate degree | 23.4% | 43.3% | 38.5% |
| Completed bachelors | 17.3% | 33.6% | 30.3% |
| Completed masters | 6.4% | 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 Sumas. Using the proficiency score averages, the average test scores for Sumas, WA schools is 62%. The average student to teacher ratio is n/a. In Sumas, WA, an average of 78.5% of students have completed 8th grade and an average of 77.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Everson, WA | 2,830 | 58% | 21.5% |
| Lynden, WA | 15,226 | 53% | 11.0% |
| Ferndale, WA | 15,070 | 52% | 7.3% |
| Deming, WA | 179 | 50% | 4.2% |
| Maple Falls, WA | 235 | 40% | 17.7% |
| Sumas, WA | 1,458 | 62% | 29.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Moroni, UT | 1,458 | 42% | 12.0% |
| Callahan, FL | 1,458 | 68% | 42.0% |
| Ash Grove, MO | 1,457 | 48% | 0.5% |
| Stockbridge, MI | 1,460 | 48% | 0.5% |
| Tuolumne City, CA | 1,460 | 39% | 18.8% |
| Sumas, WA | 1,458 | 62% | 29.2% |
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