| Index | Potosi | Wisconsin | National |
| Average Test Scores | 39% | 41% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |

| Index | Potosi | Wisconsin | National |
| Completed 8th grade | 91.2% | 89.0% | 84.3% |
| Completed high school | 85.6% | 87.8% | 83.0% |
| Completed some college | 49.5% | 59.7% | 59.4% |
| Completed associate degree | 34.3% | 38.7% | 38.5% |
| Completed bachelors | 22.2% | 28.4% | 30.3% |
| Completed masters | 4.3% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Potosi. Using the proficiency score averages, the average test scores for Potosi, WI schools is 39%. The average student to teacher ratio is n/a. In Potosi, WI, an average of 91.2% of students have completed 8th grade and an average of 85.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dubuque, IA | 59,811 | 65% | 34.7% |
| Platteville, WI | 12,471 | 58% | 21.2% |
| Bloomington, WI | 753 | 57% | 18.8% |
| Cuba City, WI | 2,273 | 48% | = 100 |
| Hazel Green, WI | 942 | 47% | 1.7% |
| Potosi, WI | 688 | 39% | 19.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Trenton, TX | 688 | 51% | 6.6% |
| Bradford, IL | 688 | 35% | 27.1% |
| Grafton, IL | 688 | 65% | 35.4% |
| Canistota, SD | 688 | 66% | 37.2% |
| Caledonia, OH | 688 | 73% | 51.7% |
| Potosi, WI | 688 | 39% | 19.1% |