| Index | Greenwood | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Greenwood | Illinois | National |
| Completed 8th grade | 78.4% | 86.2% | 84.3% |
| Completed high school | 76.7% | 84.7% | 83.0% |
| Completed some college | 47.8% | 61.8% | 59.4% |
| Completed associate degree | 18.6% | 40.7% | 38.5% |
| Completed bachelors | 11.6% | 32.9% | 30.3% |
| Completed masters | 3.0% | 12.7% | 11.5% |
| Completed professional degree | 1.3% | 3.4% | 3.3% |
| Completed doctorate | 1.3% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenwood. Using the proficiency score averages, the average test scores for Greenwood, IL schools is n/a. The average student to teacher ratio is n/a. In Greenwood, IL, an average of 78.4% of students have completed 8th grade and an average of 76.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| North Barrington, IL | 2,789 | 64% | 33.3% |
| Silver Lake, WI | 2,506 | 62% | 28.1% |
| Fox River Grove, IL | 4,639 | 53% | 10.9% |
| Richmond, IL | 2,106 | 53% | 9.4% |
| Fontana-on-Geneva Lake, WI | 1,518 | 52% | 8.3% |
| Greenwood, IL | 352 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| New Meadows, ID | 352 | 47% | 2.1% |
| Neeses, SC | 352 | 28% | 41.1% |
| Odessa, DE | 352 | 56% | 16.7% |
| Barryton, MI | 352 | 45% | 7.3% |
| Dale, OK | 352 | 43% | 10.4% |
| Greenwood, IL | 352 | n/a |
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