| Index | Waltham | Minnesota | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Waltham | Minnesota | National |
| Completed 8th grade | 80.7% | 90.5% | 84.3% |
| Completed high school | 78.3% | 89.5% | 83.0% |
| Completed some college | 42.2% | 66.9% | 59.4% |
| Completed associate degree | 7.2% | 45.2% | 38.5% |
| Completed bachelors | 1.2% | 34.2% | 30.3% |
| Completed masters | 1.2% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Waltham. Using the proficiency score averages, the average test scores for Waltham, MN schools is n/a. The average student to teacher ratio is n/a. In Waltham, MN, an average of 80.7% of students have completed 8th grade and an average of 78.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kasson, MN | 6,425 | 62% | 29.5% |
| Blooming Prairie, MN | 1,939 | 61% | 27.6% |
| Rose Creek, MN | 536 | 57% | 18.8% |
| Dodge Center, MN | 2,750 | 50% | 4.5% |
| Hayfield, MN | 1,299 | 46% | 3.6% |
| Waltham, MN | 168 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Randolph, KS | 168 | 30% | 37.5% |
| Burlington, OK | 168 | 50% | 4.2% |
| Marshall, AK | 168 | 5% | 89.6% |
| Elgin, AZ | 168 | 40% | 17.7% |
| Hartly, DE | 167 | 62% | 29.2% |
| Waltham, MN | 168 | n/a |
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