| Index | Martinsville | Illinois | National |
| Average Test Scores | 16% | 33% | 48% |
| Student/Teacher ratio | 9:1 | 18:1 | 16:1 |
| Total public schools | 4 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Martinsville | Illinois | National |
| Completed 8th grade | 82.1% | 86.2% | 84.3% |
| Completed high school | 77.2% | 84.7% | 83.0% |
| Completed some college | 45.3% | 61.8% | 59.4% |
| Completed associate degree | 24.0% | 40.7% | 38.5% |
| Completed bachelors | 13.4% | 32.9% | 30.3% |
| Completed masters | 3.0% | 12.7% | 11.5% |
| Completed professional degree | 0.5% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Martinsville. Using the proficiency score averages, the average test scores for Martinsville, IL schools is 16%. The average student to teacher ratio is 9:1. In Martinsville, IL, an average of 82.1% of students have completed 8th grade and an average of 77.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Casey, IL | 2,655 | 39% | 19.3% |
| Marshall, IL | 3,615 | 34% | 29.5% |
| Ashmore, IL | 1,021 | 20% | 58.3% |
| Kansas, IL | 771 | 20% | 58.3% |
| Martinsville, IL | 1,259 | 16% | 66.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Houston, PA | 1,260 | 60% | 25.5% |
| Cambridge, WI | 1,260 | 50% | 3.6% |
| Wendover, UT | 1,258 | 26% | 46.4% |
| Sanford, CO | 1,260 | 45% | 7.3% |
| New London, TX | 1,260 | 42% | 11.8% |
| Martinsville, IL | 1,259 | 16% | 66.7% |
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