| Index | St. Joseph | Tennessee | National |
| Average Test Scores | n/a | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |

| Index | St. Joseph | Tennessee | National |
| Completed 8th grade | 80.3% | 82.0% | 84.3% |
| Completed high school | 73.2% | 79.9% | 83.0% |
| Completed some college | 37.9% | 53.2% | 59.4% |
| Completed associate degree | 15.0% | 32.2% | 38.5% |
| Completed bachelors | 7.8% | 25.4% | 30.3% |
| Completed masters | 2.8% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 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 St. Joseph. Using the proficiency score averages, the average test scores for St. Joseph, TN schools is n/a. The average student to teacher ratio is n/a. In St. Joseph, TN, an average of 80.3% of students have completed 8th grade and an average of 73.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Killen, AL | 1,175 | 58% | 20.8% |
| Lexington, AL | 831 | 55% | 13.5% |
| Rogersville, AL | 1,501 | 54% | 12.5% |
| Lawrenceburg, TN | 11,258 | 39% | 17.9% |
| Loretto, TN | 1,849 | 34% | 28.6% |
| St. Joseph, TN | 923 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hooper, NE | 923 | 62% | 29.2% |
| Westbrook, MN | 923 | 47% | 2.1% |
| Bassett, VA | 923 | 80% | 67.0% |
| Durhamville, NY | 924 | 47% | 2.1% |
| Friedensburg, PA | 924 | 82% | 70.8% |
| St. Joseph, TN | 923 | n/a |