| Index | Carrollton | Illinois | National |
| Average Test Scores | 29% | 33% | 48% |
| Student/Teacher ratio | 27:1 | 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 | Carrollton | Illinois | National |
| Completed 8th grade | 88.8% | 86.2% | 84.3% |
| Completed high school | 86.5% | 84.7% | 83.0% |
| Completed some college | 55.1% | 61.8% | 59.4% |
| Completed associate degree | 26.9% | 40.7% | 38.5% |
| Completed bachelors | 16.3% | 32.9% | 30.3% |
| Completed masters | 5.5% | 12.7% | 11.5% |
| Completed professional degree | 1.8% | 3.4% | 3.3% |
| Completed doctorate | 0.9% | 1.2% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Carrollton. Using the proficiency score averages, the average test scores for Carrollton, IL schools is 29%. The average student to teacher ratio is 27:1. In Carrollton, IL, an average of 88.8% of students have completed 8th grade and an average of 86.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hardin, IL | 831 | 44% | 7.8% |
| Jerseyville, IL | 7,860 | 40% | 16.0% |
| Greenfield, IL | 1,481 | 36% | 25.0% |
| Medora, IL | 323 | 33% | 32.3% |
| Roodhouse, IL | 1,656 | 32% | 34.4% |
| Carrollton, IL | 2,590 | 29% | 40.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Cross City, FL | 2,591 | 51% | 6.3% |
| Barnesville, MN | 2,589 | 75% | 56.3% |
| Kamas, UT | 2,591 | 48% | 0.7% |
| Hartford, MI | 2,588 | 31% | 36.5% |
| Wales, WI | 2,592 | 57% | 18.6% |
| Carrollton, IL | 2,590 | 29% | 40.6% |
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