| Index | St. Joe | Indiana | National |
| Average Test Scores | n/a | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | St. Joe | Indiana | National |
| Completed 8th grade | 76.7% | 84.6% | 84.3% |
| Completed high school | 74.0% | 82.9% | 83.0% |
| Completed some college | 30.1% | 53.8% | 59.4% |
| Completed associate degree | 13.7% | 33.0% | 38.5% |
| Completed bachelors | 5.5% | 24.6% | 30.3% |
| Completed masters | 0.5% | 8.9% | 11.5% |
| Completed professional degree | 0.0% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in St. Joe. Using the proficiency score averages, the average test scores for St. Joe, IN schools is n/a. The average student to teacher ratio is n/a. In St. Joe, IN, an average of 76.7% of students have completed 8th grade and an average of 74.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hicksville, OH | 3,088 | 86% | 78.1% |
| Antwerp, OH | 1,497 | 76% | 59.0% |
| Edgerton, OH | 2,175 | 75% | 55.2% |
| Leo-Cedarville, IN | 3,814 | 68% | 40.6% |
| Woodburn, IN | 1,390 | 56% | 16.1% |
| St. Joe, IN | 456 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Blum, TX | 456 | 52% | 8.3% |
| Varna, IL | 456 | 40% | 16.7% |
| Colony, KS | 456 | 39% | 19.8% |
| Mullen, NE | 457 | 73% | 51.0% |
| Almena, KS | 457 | 45% | 6.3% |
| St. Joe, IN | 456 | n/a |
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