| Index | St. Jacob | Illinois | National |
| Average Test Scores | 67% | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | St. Jacob | Illinois | National |
| Completed 8th grade | 91.9% | 86.2% | 84.3% |
| Completed high school | 91.0% | 84.7% | 83.0% |
| Completed some college | 69.6% | 61.8% | 59.4% |
| Completed associate degree | 48.4% | 40.7% | 38.5% |
| Completed bachelors | 33.8% | 32.9% | 30.3% |
| Completed masters | 8.5% | 12.7% | 11.5% |
| Completed professional degree | 1.5% | 3.4% | 3.3% |
| Completed doctorate | 0.5% | 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. Jacob. Using the proficiency score averages, the average test scores for St. Jacob, IL schools is 67%. The average student to teacher ratio is n/a. In St. Jacob, IL, an average of 91.9% of students have completed 8th grade and an average of 91.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Aviston, IL | 2,173 | 79% | 63.5% |
| Germantown, IL | 1,279 | 72% | 50.0% |
| Maryville, IL | 7,962 | 65% | 34.4% |
| Glen Carbon, IL | 12,468 | 57% | 18.8% |
| Albers, IL | 1,379 | 57% | 18.8% |
| St. Jacob, IL | 1,529 | 67% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Montrose, PA | 1,529 | 61% | 26.6% |
| Gleason, TN | 1,529 | 36% | 26.0% |
| Mansura, LA | 1,529 | 93% | 93.8% |
| Arcadia, IN | 1,530 | 51% | 6.6% |
| Paonia, CO | 1,528 | 50% | 3.5% |
| St. Jacob, IL | 1,529 | 67% | 39.6% |
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