| Index | La Harpe | Illinois | National |
| Average Test Scores | 22% | 33% | 48% |
| Student/Teacher ratio | 13:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | La Harpe | Illinois | National |
| Completed 8th grade | 90.4% | 86.2% | 84.3% |
| Completed high school | 89.4% | 84.7% | 83.0% |
| Completed some college | 51.5% | 61.8% | 59.4% |
| Completed associate degree | 32.9% | 40.7% | 38.5% |
| Completed bachelors | 20.9% | 32.9% | 30.3% |
| Completed masters | 3.4% | 12.7% | 11.5% |
| Completed professional degree | 2.0% | 3.4% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in La Harpe. Using the proficiency score averages, the average test scores for La Harpe, IL schools is 22%. The average student to teacher ratio is 13:1. In La Harpe, IL, an average of 90.4% of students have completed 8th grade and an average of 89.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Carthage, IL | 2,474 | 39% | 19.4% |
| Colchester, IL | 1,347 | 26% | 46.4% |
| Sciota, IL | 85 | 25% | 47.9% |
| Dallas City, IL | 1,064 | 20% | 59.4% |
| Stronghurst, IL | 1,066 | 13% | 74.0% |
| La Harpe, IL | 1,318 | 22% | 54.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Julian, CA | 1,318 | 38% | 21.5% |
| Sherburne, NY | 1,319 | 48% | 0.7% |
| Winthrop, MN | 1,317 | 50% | 4.2% |
| Reidville, SC | 1,317 | 72% | 50.0% |
| Garrison, TX | 1,319 | 48% | 1.0% |
| La Harpe, IL | 1,318 | 22% | 54.2% |
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