| Index | Northfield | Minnesota | National |
| Average Test Scores | 67% | 52% | 48% |
| Student/Teacher ratio | 18:1 | 16:1 | 16:1 |
| Total public schools | 11 | 2,224 | 79,221 |
| Total private schools | 3 | 477 | 24,874 |
| Total post-secondary schools | 2 | 140 | 7,963 |
| Index | Northfield | Minnesota | National |
| Completed 8th grade | 91.6% | 90.5% | 84.3% |
| Completed high school | 91.4% | 89.5% | 83.0% |
| Completed some college | 72.7% | 66.9% | 59.4% |
| Completed associate degree | 54.9% | 45.2% | 38.5% |
| Completed bachelors | 45.6% | 34.2% | 30.3% |
| Completed masters | 21.0% | 11.5% | 11.5% |
| Completed professional degree | 8.0% | 3.5% | 3.3% |
| Completed doctorate | 4.9% | 1.4% | 1.3% |
There are a total of 11 public schools, 3 private schools and 2 post-secondary schools in Northfield. Using the proficiency score averages, the average test scores for Northfield, MN schools is 67%. The average student to teacher ratio is 18:1. In Northfield, MN, an average of 91.6% of students have completed 8th grade and an average of 91.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lakeville, MN | 65,710 | 68% | 41.2% |
| Lonsdale, MN | 4,102 | 67% | 39.6% |
| Elko New Market, MN | 4,715 | 67% | 38.5% |
| Cannon Falls, MN | 4,053 | 62% | 28.6% |
| Farmington, MN | 22,996 | 57% | 19.0% |
| Northfield, MN | 20,399 | 67% | 39.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Elko, NV | 20,396 | 40% | 16.8% |
| Forest Lake, MN | 20,393 | 56% | 17.5% |
| Golden, CO | 20,391 | 47% | 1.3% |
| Crest Hill, IL | 20,388 | 23% | 52.1% |
| Lockport, NY | 20,420 | 58% | 21.5% |
| Northfield, MN | 20,399 | 67% | 39.9% |
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