| Index | Mount Carroll | Illinois | National |
| Average Test Scores | 17% | 33% | 48% |
| Student/Teacher ratio | 19:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Mount Carroll | Illinois | National |
| Completed 8th grade | 89.9% | 86.2% | 84.3% |
| Completed high school | 89.0% | 84.7% | 83.0% |
| Completed some college | 55.2% | 61.8% | 59.4% |
| Completed associate degree | 29.9% | 40.7% | 38.5% |
| Completed bachelors | 22.6% | 32.9% | 30.3% |
| Completed masters | 8.2% | 12.7% | 11.5% |
| Completed professional degree | 2.3% | 3.4% | 3.3% |
| Completed doctorate | 0.7% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Mount Carroll. Using the proficiency score averages, the average test scores for Mount Carroll, IL schools is 17%. The average student to teacher ratio is 19:1. In Mount Carroll, IL, an average of 89.9% of students have completed 8th grade and an average of 89.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chadwick, IL | 581 | 52% | 8.6% |
| Shannon, IL | 646 | 50% | 2.9% |
| Lanark, IL | 1,542 | 47% | 2.3% |
| Pearl City, IL | 875 | 41% | 15.8% |
| Milledgeville, IL | 1,052 | 35% | 27.3% |
| Mount Carroll, IL | 1,565 | 17% | 65.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Oxford, ME | 1,565 | 30% | 38.7% |
| Walnut Cove, NC | 1,565 | 51% | 5.8% |
| Hamilton, IN | 1,564 | 26% | 46.5% |
| Gower, MO | 1,566 | 52% | 8.6% |
| Felton, DE | 1,566 | 56% | 16.7% |
| Mount Carroll, IL | 1,565 | 17% | 65.7% |
Here are the best places to live in Illinois
See the best places to live in & around Mount Carroll
These are the 10 most affordable cities in Illinois
Top 10 best public schools in Mount Carroll