| Index | Arthur | Illinois | National |
| Average Test Scores | 29% | 33% | 48% |
| Student/Teacher ratio | 15:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | 5 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Arthur | Illinois | National |
| Completed 8th grade | 81.3% | 86.2% | 84.3% |
| Completed high school | 75.3% | 84.7% | 83.0% |
| Completed some college | 49.0% | 61.8% | 59.4% |
| Completed associate degree | 28.5% | 40.7% | 38.5% |
| Completed bachelors | 22.1% | 32.9% | 30.3% |
| Completed masters | 7.5% | 12.7% | 11.5% |
| Completed professional degree | 1.7% | 3.4% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of 3 public schools, 5 private schools and n/a post-secondary schools in Arthur. Using the proficiency score averages, the average test scores for Arthur, IL schools is 29%. The average student to teacher ratio is 15:1. In Arthur, IL, an average of 81.3% of students have completed 8th grade and an average of 75.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cerro Gordo, IL | 1,275 | 45% | 7.3% |
| Bement, IL | 1,490 | 39% | 18.8% |
| Tuscola, IL | 4,599 | 32% | 32.6% |
| Atwood, IL | 1,126 | 30% | 38.5% |
| Sullivan, IL | 4,450 | 29% | 39.2% |
| Arthur, IL | 2,180 | 29% | 39.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Lusby, MD | 2,180 | 44% | 7.5% |
| Tracy, MN | 2,180 | 60% | 24.0% |
| Whitney, TX | 2,179 | 40% | 17.0% |
| Enterprise, OR | 2,181 | 56% | 16.1% |
| Armada, MI | 2,179 | 55% | 15.3% |
| Arthur, IL | 2,180 | 29% | 39.1% |
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