| Index | Nashville | Illinois | National |
| Average Test Scores | 32% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Nashville | Illinois | National |
| Completed 8th grade | 95.3% | 86.2% | 84.3% |
| Completed high school | 90.2% | 84.7% | 83.0% |
| Completed some college | 67.3% | 61.8% | 59.4% |
| Completed associate degree | 41.4% | 40.7% | 38.5% |
| Completed bachelors | 31.4% | 32.9% | 30.3% |
| Completed masters | 10.7% | 12.7% | 11.5% |
| Completed professional degree | 3.3% | 3.4% | 3.3% |
| Completed doctorate | 1.1% | 1.2% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in Nashville. Using the proficiency score averages, the average test scores for Nashville, IL schools is 32%. The average student to teacher ratio is 16:1. In Nashville, IL, an average of 95.3% of students have completed 8th grade and an average of 90.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bartelso, IL | 789 | 75% | 55.2% |
| Germantown, IL | 1,279 | 72% | 50.0% |
| Albers, IL | 1,379 | 57% | 18.8% |
| Oakdale, IL | 291 | 45% | 6.3% |
| Okawville, IL | 1,469 | 45% | 7.3% |
| Nashville, IL | 3,076 | 32% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Silt, CO | 3,076 | 43% | 10.4% |
| Kaunakakai, HI | 3,076 | 35% | 27.6% |
| Hampton, SC | 3,077 | 41% | 14.1% |
| Brazoria, TX | 3,077 | 35% | 28.1% |
| Clayton, NM | 3,079 | 37% | 22.9% |
| Nashville, IL | 3,076 | 32% | 34.4% |
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