| Index | Markham | 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 | Markham | Washington | National |
| Completed 8th grade | 100.0% | 87.5% | 84.3% |
| Completed high school | 90.9% | 86.6% | 83.0% |
| Completed some college | 48.6% | 67.7% | 59.4% |
| Completed associate degree | 29.7% | 43.3% | 38.5% |
| Completed bachelors | 21.1% | 33.6% | 30.3% |
| Completed masters | 10.9% | 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 Markham. Using the proficiency score averages, the average test scores for Markham, WA schools is n/a. The average student to teacher ratio is n/a. In Markham, WA, an average of 100.0% of students have completed 8th grade and an average of 90.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cosmopolis, WA | 1,968 | 54% | 11.5% |
| Westport, WA | 2,200 | 44% | 9.4% |
| Ocean Shores, WA | 6,196 | 41% | 15.6% |
| Aberdeen, WA | 16,571 | 37% | 23.1% |
| Hoquiam, WA | 8,570 | 35% | 26.3% |
| Markham, WA | 79 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Oberon, ND | 79 | 13% | 74.0% |
| Hope, AK | 79 | 50% | 4.2% |
| Harrison City, PA | 78 | 92% | 90.6% |
| Forestburg, SD | 78 | 57% | 18.1% |
| Cusick, WA | 78 | 42% | 11.8% |
| Markham, WA | 79 | n/a |
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