| Index | Pekin | Illinois | National |
| Average Test Scores | 30% | 33% | 48% |
| Student/Teacher ratio | 17:1 | 18:1 | 16:1 |
| Total public schools | 15 | 3,938 | 79,221 |
| Total private schools | 4 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |


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| Index | Pekin | Illinois | National |
| Completed 8th grade | 85.8% | 86.2% | 84.3% |
| Completed high school | 84.8% | 84.7% | 83.0% |
| Completed some college | 53.3% | 61.8% | 59.4% |
| Completed associate degree | 28.2% | 40.7% | 38.5% |
| Completed bachelors | 19.2% | 32.9% | 30.3% |
| Completed masters | 5.4% | 12.7% | 11.5% |
| Completed professional degree | 1.2% | 3.4% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of 15 public schools, 4 private schools and n/a post-secondary schools in Pekin. Using the proficiency score averages, the average test scores for Pekin, IL schools is 30%. The average student to teacher ratio is 17:1. In Pekin, IL, an average of 85.8% of students have completed 8th grade and an average of 84.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Germantown Hills, IL | 3,500 | 65% | 35.4% |
| Morton, IL | 16,134 | 56% | 17.3% |
| Tremont, IL | 2,316 | 52% | 8.7% |
| Mackinaw, IL | 2,019 | 47% | 1.6% |
| Washington, IL | 16,894 | 44% | 8.2% |
| Pekin, IL | 33,468 | 30% | 38.4% |
| City | Population | Avg. Test Scores | National Avg. |
| College Park, MD | 33,475 | 31% | 35.9% |
| La Verne, CA | 33,460 | 67% | 39.2% |
| St. Charles, IL | 33,452 | 57% | 19.0% |
| Laramie, WY | 33,442 | 60% | 25.2% |
| Lawndale, CA | 33,508 | 41% | 15.5% |
| Pekin, IL | 33,468 | 30% | 38.4% |