| Index | Humboldt | South Dakota | National |
| Average Test Scores | 50% | 48% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Humboldt | South Dakota | National |
| Completed 8th grade | 89.3% | 89.1% | 84.3% |
| Completed high school | 89.0% | 86.8% | 83.0% |
| Completed some college | 58.7% | 60.4% | 59.4% |
| Completed associate degree | 35.7% | 38.5% | 38.5% |
| Completed bachelors | 22.7% | 27.5% | 30.3% |
| Completed masters | 5.4% | 8.1% | 11.5% |
| Completed professional degree | 1.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Humboldt. Using the proficiency score averages, the average test scores for Humboldt, SD schools is 50%. The average student to teacher ratio is n/a. In Humboldt, SD, an average of 89.3% of students have completed 8th grade and an average of 89.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Canistota, SD | 663 | 66% | 37.2% |
| Montrose, SD | 551 | 60% | 25.0% |
| Tea, SD | 5,714 | 57% | 18.8% |
| Colton, SD | 754 | 55% | 15.3% |
| Hartford, SD | 3,300 | 47% | 1.6% |
| Humboldt, SD | 676 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Ridge Spring, SC | 676 | 27% | 43.8% |
| Arcadia, OH | 676 | 81% | 67.7% |
| Estherwood, LA | 676 | 85% | 76.0% |
| Alhambra, IL | 676 | 55% | 14.6% |
| Zavalla, TX | 677 | 41% | 15.1% |
| Humboldt, SD | 676 | 50% | 4.2% |
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