| Index | Mackinaw | Illinois | National |
| Average Test Scores | 47% | 33% | 48% |
| Student/Teacher ratio | 13:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Mackinaw | Illinois | National |
| Completed 8th grade | 90.1% | 86.2% | 84.3% |
| Completed high school | 89.1% | 84.7% | 83.0% |
| Completed some college | 58.1% | 61.8% | 59.4% |
| Completed associate degree | 35.7% | 40.7% | 38.5% |
| Completed bachelors | 21.6% | 32.9% | 30.3% |
| Completed masters | 2.2% | 12.7% | 11.5% |
| Completed professional degree | 0.3% | 3.4% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Mackinaw. Using the proficiency score averages, the average test scores for Mackinaw, IL schools is 47%. The average student to teacher ratio is 13:1. In Mackinaw, IL, an average of 90.1% of students have completed 8th grade and an average of 89.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Morton, IL | 15,791 | 56% | 17.3% |
| Goodfield, IL | 977 | 55% | 14.6% |
| Congerville, IL | 840 | 55% | 14.6% |
| Tremont, IL | 2,261 | 52% | 8.7% |
| Carlock, IL | 623 | 50% | 4.2% |
| Mackinaw, IL | 1,970 | 47% | 1.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Hagerstown, IN | 1,970 | 49% | 1.6% |
| Bristol, NH | 1,970 | 51% | 5.7% |
| Grayling, MI | 1,969 | 49% | 1.3% |
| Gibbon, NE | 1,971 | 43% | 9.9% |
| Liberty, KY | 1,971 | 58% | 20.4% |
| Mackinaw, IL | 1,970 | 47% | 1.6% |
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