| Index | Marcus | 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 | Marcus | Washington | National |
| Completed 8th grade | 85.9% | 87.5% | 84.3% |
| Completed high school | 82.8% | 86.6% | 83.0% |
| Completed some college | 42.9% | 67.7% | 59.4% |
| Completed associate degree | 22.1% | 43.3% | 38.5% |
| Completed bachelors | 8.6% | 33.6% | 30.3% |
| Completed masters | 0.6% | 12.3% | 11.5% |
| Completed professional degree | 0.6% | 3.6% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marcus. Using the proficiency score averages, the average test scores for Marcus, WA schools is n/a. The average student to teacher ratio is n/a. In Marcus, WA, an average of 85.9% of students have completed 8th grade and an average of 82.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Colville, WA | 4,786 | 58% | 20.0% |
| Kettle Falls, WA | 1,594 | 48% | 1.0% |
| Orient, WA | 82 | 33% | 32.3% |
| Marcus, WA | 181 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Waterloo, SC | 181 | 37% | 22.9% |
| Castleford, ID | 181 | 32% | 33.3% |
| Carpenter, WY | 181 | 50% | 4.2% |
| Marion, ND | 181 | 60% | 25.0% |
| Litchville, ND | 181 | 45% | 6.3% |
| Marcus, WA | 181 | n/a |
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