| Index | Penfield | 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 |


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| Index | Penfield | Illinois | National |
| Completed 8th grade | 84.0% | 86.2% | 84.3% |
| Completed high school | 84.0% | 84.7% | 83.0% |
| Completed some college | 29.4% | 61.8% | 59.4% |
| Completed associate degree | 12.6% | 40.7% | 38.5% |
| Completed bachelors | 0.0% | 32.9% | 30.3% |
| Completed masters | 0.0% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Penfield. Using the proficiency score averages, the average test scores for Penfield, IL schools is n/a. The average student to teacher ratio is n/a. In Penfield, IL, an average of 84.0% of students have completed 8th grade and an average of 84.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Royal, IL | 370 | 65% | 35.4% |
| St. Joseph, IL | 4,053 | 52% | 7.6% |
| Thomasboro, IL | 1,036 | 44% | 9.4% |
| Gifford, IL | 920 | 42% | 12.5% |
| Ogden, IL | 773 | 42% | 12.5% |
| Penfield, IL | 235 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Anderson, TX | 235 | 59% | 23.4% |
| Keyes, OK | 235 | 50% | 4.2% |
| Bemus Point, NY | 235 | 60% | 24.0% |
| Grenora, ND | 236 | 49% | 1.0% |
| Koliganek, AK | 236 | 13% | 74.0% |
| Penfield, IL | 235 | n/a |