| Index | Mansfield | Illinois | National |
| Average Test Scores | 27% | 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 | Mansfield | Illinois | National |
| Completed 8th grade | 85.2% | 86.2% | 84.3% |
| Completed high school | 84.7% | 84.7% | 83.0% |
| Completed some college | 50.1% | 61.8% | 59.4% |
| Completed associate degree | 24.3% | 40.7% | 38.5% |
| Completed bachelors | 12.5% | 32.9% | 30.3% |
| Completed masters | 4.3% | 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 Mansfield. Using the proficiency score averages, the average test scores for Mansfield, IL schools is 27%. The average student to teacher ratio is n/a. In Mansfield, IL, an average of 85.2% of students have completed 8th grade and an average of 84.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| White Heath, IL | 153 | 57% | 18.8% |
| Savoy, IL | 8,802 | 55% | 14.6% |
| Mahomet, IL | 8,888 | 52% | 7.6% |
| Monticello, IL | 5,815 | 46% | 3.8% |
| Farmer City, IL | 2,063 | 40% | 16.7% |
| Mansfield, IL | 1,006 | 27% | 44.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Carlton, MN | 1,006 | 55% | 13.5% |
| Plummer, ID | 1,006 | 18% | 61.8% |
| Le Roy, MN | 1,006 | 54% | 12.2% |
| Avoca, NY | 1,006 | 55% | 13.5% |
| San Miguel, NM | 1,006 | 32% | 33.3% |
| Mansfield, IL | 1,006 | 27% | 44.8% |
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