| Index | Mercer | North Dakota | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 12:1 | 16:1 |
| Total public schools | n/a | 272 | 79,221 |
| Total private schools | n/a | 47 | 24,874 |
| Total post-secondary schools | n/a | 30 | 7,963 |
| Index | Mercer | North Dakota | National |
| Completed 8th grade | 92.2% | 90.7% | 84.3% |
| Completed high school | 78.4% | 88.3% | 83.0% |
| Completed some college | 54.9% | 64.6% | 59.4% |
| Completed associate degree | 25.5% | 41.6% | 38.5% |
| Completed bachelors | 15.7% | 28.2% | 30.3% |
| Completed masters | 3.9% | 7.7% | 11.5% |
| Completed professional degree | 0.0% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mercer. Using the proficiency score averages, the average test scores for Mercer, ND schools is n/a. The average student to teacher ratio is n/a. In Mercer, ND, an average of 92.2% of students have completed 8th grade and an average of 78.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Washburn, ND | 1,361 | 51% | 5.7% |
| Turtle Lake, ND | 473 | 44% | 9.4% |
| McClusky, ND | 346 | 28% | 42.7% |
| Mercer, ND | 75 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Harrisburg, NE | 75 | 48% | 1.0% |
| Branson, CO | 75 | 30% | 38.0% |
| Dunning, NE | 75 | 50% | 4.2% |
| Omaha, AR | 75 | 51% | 5.7% |
| Church Creek, MD | 75 | 65% | 34.4% |
| Mercer, ND | 75 | n/a |
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