| Index | Poplar Grove | Illinois | National |
| Average Test Scores | 30% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 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 | Poplar Grove | Illinois | National |
| Completed 8th grade | 88.1% | 86.2% | 84.3% |
| Completed high school | 86.1% | 84.7% | 83.0% |
| Completed some college | 59.8% | 61.8% | 59.4% |
| Completed associate degree | 41.0% | 40.7% | 38.5% |
| Completed bachelors | 32.2% | 32.9% | 30.3% |
| Completed masters | 12.5% | 12.7% | 11.5% |
| Completed professional degree | 1.4% | 3.4% | 3.3% |
| Completed doctorate | 1.4% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Poplar Grove. Using the proficiency score averages, the average test scores for Poplar Grove, IL schools is 30%. The average student to teacher ratio is 16:1. In Poplar Grove, IL, an average of 88.1% of students have completed 8th grade and an average of 86.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Roscoe, IL | 10,632 | 56% | 17.0% |
| Rockton, IL | 7,710 | 54% | 13.2% |
| Fontana-on-Geneva Lake, WI | 1,518 | 52% | 8.3% |
| Marengo, IL | 7,871 | 44% | 8.5% |
| South Beloit, IL | 7,730 | 36% | 25.3% |
| Poplar Grove, IL | 4,497 | 30% | 37.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Benton, KY | 4,498 | 44% | 8.1% |
| Whiteland, IN | 4,495 | 54% | 12.2% |
| Louisburg, KS | 4,499 | 45% | 6.9% |
| Royal Pines, NC | 4,499 | 65% | 34.4% |
| New Roads, LA | 4,500 | 42% | 12.5% |
| Poplar Grove, IL | 4,497 | 30% | 37.7% |
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