| Index | St. Johns | Michigan | National |
| Average Test Scores | 42% | 42% | 48% |
| Student/Teacher ratio | 19:1 | 22:1 | 16:1 |
| Total public schools | 8 | 3,421 | 79,221 |
| Total private schools | 4 | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |
| Index | St. Johns | Michigan | National |
| Completed 8th grade | 88.0% | 86.9% | 84.3% |
| Completed high school | 85.9% | 85.9% | 83.0% |
| Completed some college | 56.5% | 60.3% | 59.4% |
| Completed associate degree | 30.3% | 36.5% | 38.5% |
| Completed bachelors | 22.1% | 27.4% | 30.3% |
| Completed masters | 8.6% | 10.7% | 11.5% |
| Completed professional degree | 1.6% | 2.8% | 3.3% |
| Completed doctorate | 0.6% | 1.1% | 1.3% |
There are a total of 8 public schools, 4 private schools and n/a post-secondary schools in St. Johns. Using the proficiency score averages, the average test scores for St. Johns, MI schools is 42%. The average student to teacher ratio is 19:1. In St. Johns, MI, an average of 88.0% of students have completed 8th grade and an average of 85.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pewamo, MI | 448 | 70% | 44.8% |
| DeWitt, MI | 4,743 | 64% | 33.6% |
| Westphalia, MI | 808 | 64% | 32.3% |
| Fowler, MI | 1,559 | 61% | 27.1% |
| Eagle, MI | 116 | 52% | 7.3% |
| St. Johns, MI | 7,920 | 42% | 13.0% |
| City | Population | Avg. Test Scores | National Avg. |
| West Dundee, IL | 7,923 | 45% | 5.7% |
| Wytheville, VA | 7,925 | 89% | 85.4% |
| Camp Hill, PA | 7,926 | 67% | 38.5% |
| Bellevue, OH | 7,928 | 71% | 48.3% |
| West Long Branch, NJ | 7,911 | 60% | 25.7% |
| St. Johns, MI | 7,920 | 42% | 13.0% |
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