| Index | Willmar | Minnesota | National |
| Average Test Scores | 37% | 52% | 48% |
| Student/Teacher ratio | 10:1 | 16:1 | 16:1 |
| Total public schools | 14 | 2,224 | 79,221 |
| Total private schools | 1 | 477 | 24,874 |
| Total post-secondary schools | 1 | 140 | 7,963 |
| Index | Willmar | Minnesota | National |
| Completed 8th grade | 80.2% | 90.5% | 84.3% |
| Completed high school | 78.4% | 89.5% | 83.0% |
| Completed some college | 56.2% | 66.9% | 59.4% |
| Completed associate degree | 31.3% | 45.2% | 38.5% |
| Completed bachelors | 20.7% | 34.2% | 30.3% |
| Completed masters | 7.5% | 11.5% | 11.5% |
| Completed professional degree | 3.1% | 3.5% | 3.3% |
| Completed doctorate | 0.8% | 1.4% | 1.3% |
There are a total of 14 public schools, 1 private schools and 1 post-secondary schools in Willmar. Using the proficiency score averages, the average test scores for Willmar, MN schools is 37%. The average student to teacher ratio is 10:1. In Willmar, MN, an average of 80.2% of students have completed 8th grade and an average of 78.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| New London, MN | 1,275 | 65% | 34.7% |
| Raymond, MN | 796 | 50% | 3.1% |
| Atwater, MN | 1,176 | 50% | 3.1% |
| Kerkhoven, MN | 734 | 45% | 7.3% |
| Willmar, MN | 20,156 | 37% | 22.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Oroville, CA | 20,168 | 34% | 29.3% |
| Central Falls, RI | 20,175 | 26% | 46.9% |
| Montgomery, IL | 20,189 | 26% | 45.4% |
| West Hempstead, NY | 20,191 | 61% | 26.0% |
| Seymour, IN | 20,201 | 45% | 6.0% |
| Willmar, MN | 20,156 | 37% | 22.5% |
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