| Index | St. Joseph | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | St. Joseph | Iowa | National |
| Completed 8th grade | 86.7% | 89.2% | 84.3% |
| Completed high school | 86.7% | 87.7% | 83.0% |
| Completed some college | 48.9% | 59.8% | 59.4% |
| Completed associate degree | 24.4% | 38.4% | 38.5% |
| Completed bachelors | 11.1% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 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 St. Joseph. Using the proficiency score averages, the average test scores for St. Joseph, IA schools is n/a. The average student to teacher ratio is n/a. In St. Joseph, IA, an average of 86.7% of students have completed 8th grade and an average of 86.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Humboldt, IA | 4,568 | 81% | 68.1% |
| Algona, IA | 5,415 | 77% | 60.4% |
| Lu Verne, IA | 278 | 75% | 56.3% |
| West Bend, IA | 651 | 66% | 37.5% |
| Bode, IA | 350 | 60% | 25.0% |
| St. Joseph, IA | 122 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Gilmanton, WI | 122 | 50% | 4.2% |
| Nunam Iqua, AK | 122 | 20% | 58.3% |
| Perrin, TX | 122 | 37% | 22.9% |
| Tar Heel, NC | 122 | 27% | 44.3% |
| Valley, WA | 122 | 47% | 1.4% |
| St. Joseph, IA | 122 | n/a |
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