| Index | Streator | Illinois | National |
| Average Test Scores | 22% | 33% | 48% |
| Student/Teacher ratio | 19:1 | 18:1 | 16:1 |
| Total public schools | 9 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Streator | Illinois | National |
| Completed 8th grade | 81.1% | 86.2% | 84.3% |
| Completed high school | 79.3% | 84.7% | 83.0% |
| Completed some college | 43.4% | 61.8% | 59.4% |
| Completed associate degree | 20.0% | 40.7% | 38.5% |
| Completed bachelors | 14.2% | 32.9% | 30.3% |
| Completed masters | 4.0% | 12.7% | 11.5% |
| Completed professional degree | 1.4% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 9 public schools, 2 private schools and n/a post-secondary schools in Streator. Using the proficiency score averages, the average test scores for Streator, IL schools is 22%. The average student to teacher ratio is 19:1. In Streator, IL, an average of 81.1% of students have completed 8th grade and an average of 79.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Grand Ridge, IL | 650 | 50% | 3.1% |
| Lostant, IL | 463 | 45% | 6.3% |
| Seneca, IL | 2,534 | 40% | 17.4% |
| Marseilles, IL | 4,579 | 30% | 38.5% |
| Minonk, IL | 2,007 | 30% | 38.5% |
| Streator, IL | 12,337 | 22% | 54.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Lincolnwood, IL | 12,338 | 50% | 4.7% |
| Gulfport, FL | 12,334 | 27% | 44.4% |
| New Baltimore, MI | 12,333 | 59% | 22.1% |
| St. Marys, PA | 12,333 | 61% | 26.7% |
| Speedway, IN | 12,327 | 62% | 29.5% |
| Streator, IL | 12,337 | 22% | 54.2% |
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