| Index | Carthage | Illinois | National |
| Average Test Scores | 39% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 6 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Carthage | Illinois | National |
| Completed 8th grade | 92.0% | 86.2% | 84.3% |
| Completed high school | 88.7% | 84.7% | 83.0% |
| Completed some college | 59.4% | 61.8% | 59.4% |
| Completed associate degree | 39.2% | 40.7% | 38.5% |
| Completed bachelors | 28.5% | 32.9% | 30.3% |
| Completed masters | 6.8% | 12.7% | 11.5% |
| Completed professional degree | 0.8% | 3.4% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 6 public schools, n/a private schools and n/a post-secondary schools in Carthage. Using the proficiency score averages, the average test scores for Carthage, IL schools is 39%. The average student to teacher ratio is 16:1. In Carthage, IL, an average of 92.0% of students have completed 8th grade and an average of 88.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fort Madison, IA | 10,407 | 63% | 31.3% |
| Keokuk, IA | 10,225 | 58% | 21.6% |
| Bowen, IL | 583 | 40% | 17.7% |
| Hamilton, IL | 2,808 | 38% | 20.3% |
| Augusta, IL | 605 | 30% | 38.5% |
| Carthage, IL | 2,474 | 39% | 19.4% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Hedwig, TX | 2,474 | 31% | 36.5% |
| Roaring Spring, PA | 2,475 | 43% | 10.4% |
| Winthrop, ME | 2,476 | 49% | 2.8% |
| New London, OH | 2,476 | 65% | 34.4% |
| Middletown, IN | 2,472 | 55% | 13.9% |
| Carthage, IL | 2,474 | 39% | 19.4% |
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