| Index | Lena | Illinois | National |
| Average Test Scores | 45% | 33% | 48% |
| Student/Teacher ratio | 15:1 | 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 | Lena | Illinois | National |
| Completed 8th grade | 90.0% | 86.2% | 84.3% |
| Completed high school | 88.6% | 84.7% | 83.0% |
| Completed some college | 57.2% | 61.8% | 59.4% |
| Completed associate degree | 31.2% | 40.7% | 38.5% |
| Completed bachelors | 16.9% | 32.9% | 30.3% |
| Completed masters | 5.7% | 12.7% | 11.5% |
| Completed professional degree | 1.5% | 3.4% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Lena. Using the proficiency score averages, the average test scores for Lena, IL schools is 45%. The average student to teacher ratio is 15:1. In Lena, IL, an average of 90.0% of students have completed 8th grade and an average of 88.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stockton, IL | 1,656 | 47% | 1.7% |
| Warren, IL | 1,208 | 47% | 2.1% |
| Pearl City, IL | 831 | 41% | 15.6% |
| Orangeville, IL | 797 | 38% | 20.8% |
| South Wayne, WI | 373 | 35% | 27.8% |
| Lena, IL | 2,780 | 45% | 5.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Mount Vernon, TX | 2,780 | 47% | 2.4% |
| Crosby, MN | 2,780 | 56% | 15.6% |
| Donalsonville, GA | 2,783 | 39% | 18.8% |
| Honeoye Falls, NY | 2,783 | 77% | 59.7% |
| Palisade, CO | 2,783 | 44% | 9.4% |
| Lena, IL | 2,780 | 45% | 5.6% |
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