| Index | St. Louis | Michigan | National |
| Average Test Scores | 31% | 42% | 48% |
| Student/Teacher ratio | 17:1 | 22:1 | 16:1 |
| Total public schools | 5 | 3,421 | 79,221 |
| Total private schools | n/a | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |
| Index | St. Louis | Michigan | National |
| Completed 8th grade | 62.2% | 86.9% | 84.3% |
| Completed high school | 61.0% | 85.9% | 83.0% |
| Completed some college | 36.6% | 60.3% | 59.4% |
| Completed associate degree | 12.5% | 36.5% | 38.5% |
| Completed bachelors | 6.9% | 27.4% | 30.3% |
| Completed masters | 1.9% | 10.7% | 11.5% |
| Completed professional degree | 0.1% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in St. Louis. Using the proficiency score averages, the average test scores for St. Louis, MI schools is 31%. The average student to teacher ratio is 17:1. In St. Louis, MI, an average of 62.2% of students have completed 8th grade and an average of 61.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ithaca, MI | 2,864 | 47% | 1.6% |
| Shepherd, MI | 1,380 | 46% | 5.2% |
| Mount Pleasant, MI | 25,290 | 43% | 9.6% |
| Alma, MI | 8,918 | 41% | 15.1% |
| Breckenridge, MI | 1,428 | 41% | 15.6% |
| St. Louis, MI | 7,156 | 31% | 36.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Heber Springs, AR | 7,156 | 59% | 22.6% |
| Seminole, OK | 7,155 | 27% | 43.0% |
| Knoxville, IA | 7,154 | 67% | 39.9% |
| Gridley, CA | 7,154 | 43% | 10.2% |
| Walled Lake, MI | 7,153 | 55% | 13.5% |
| St. Louis, MI | 7,156 | 31% | 36.2% |
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