| Index | Merrill | Wisconsin | National |
| Average Test Scores | 40% | 41% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 8 | 1,869 | 79,221 |
| Total private schools | 4 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |

| Index | Merrill | Wisconsin | National |
| Completed 8th grade | 86.5% | 89.0% | 84.3% |
| Completed high school | 84.4% | 87.8% | 83.0% |
| Completed some college | 48.3% | 59.7% | 59.4% |
| Completed associate degree | 27.5% | 38.7% | 38.5% |
| Completed bachelors | 15.6% | 28.4% | 30.3% |
| Completed masters | 4.0% | 9.6% | 11.5% |
| Completed professional degree | 1.0% | 2.7% | 3.3% |
| Completed doctorate | 0.1% | 1.1% | 1.3% |
There are a total of 8 public schools, 4 private schools and n/a post-secondary schools in Merrill. Using the proficiency score averages, the average test scores for Merrill, WI schools is 40%. The average student to teacher ratio is 15:1. In Merrill, WI, an average of 86.5% of students have completed 8th grade and an average of 84.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Merrill, WI | 9,442 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Tiburon, CA | 9,444 | 81% | 69.3% |
| Calimesa, CA | 9,446 | 41% | 15.6% |
| White Marsh, MD | 9,436 | 38% | 21.9% |
| San Elizario, TX | 9,436 | 43% | 10.8% |
| Halls, TN | 9,435 | 35% | 27.1% |
| Merrill, WI | 9,442 | 40% | 16.7% |