| Index | Sheffield | 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 | Sheffield | Illinois | National |
| Completed 8th grade | 80.3% | 86.2% | 84.3% |
| Completed high school | 79.0% | 84.7% | 83.0% |
| Completed some college | 47.3% | 61.8% | 59.4% |
| Completed associate degree | 25.0% | 40.7% | 38.5% |
| Completed bachelors | 13.7% | 32.9% | 30.3% |
| Completed masters | 4.1% | 12.7% | 11.5% |
| Completed professional degree | 0.4% | 3.4% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sheffield. Using the proficiency score averages, the average test scores for Sheffield, IL schools is n/a. The average student to teacher ratio is n/a. In Sheffield, IL, an average of 80.3% of students have completed 8th grade and an average of 79.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ohio, IL | 509 | 48% | 1.0% |
| Annawan, IL | 825 | 36% | 25.0% |
| Bradford, IL | 673 | 35% | 27.1% |
| Princeton, IL | 7,589 | 33% | 30.9% |
| Buda, IL | 606 | 33% | 32.3% |
| Sheffield, IL | 828 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Blue Ridge, TX | 828 | 54% | 12.2% |
| Tesuque, NM | 828 | 13% | 74.0% |
| Eden, UT | 828 | 51% | 5.2% |
| South Coffeyville, OK | 828 | 27% | 43.3% |
| Bloomsdale, MO | 828 | 57% | 18.8% |
| Sheffield, IL | 828 | n/a |
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