| Index | Princeton | Illinois | National |
| Average Test Scores | 33% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 5 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Princeton | Illinois | National |
| Completed 8th grade | 87.8% | 86.2% | 84.3% |
| Completed high school | 87.6% | 84.7% | 83.0% |
| Completed some college | 56.1% | 61.8% | 59.4% |
| Completed associate degree | 31.8% | 40.7% | 38.5% |
| Completed bachelors | 23.4% | 32.9% | 30.3% |
| Completed masters | 11.1% | 12.7% | 11.5% |
| Completed professional degree | 2.3% | 3.4% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of 5 public schools, 2 private schools and n/a post-secondary schools in Princeton. Using the proficiency score averages, the average test scores for Princeton, IL schools is 33%. The average student to teacher ratio is 16:1. In Princeton, IL, an average of 87.8% of students have completed 8th grade and an average of 87.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cherry, IL | 479 | 50% | 4.2% |
| Ohio, IL | 509 | 48% | 1.0% |
| Bradford, IL | 673 | 35% | 27.1% |
| Buda, IL | 606 | 33% | 32.3% |
| Manlius, IL | 274 | 32% | 33.3% |
| Princeton, IL | 7,589 | 33% | 30.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Yreka, CA | 7,589 | 34% | 28.3% |
| Corning, CA | 7,589 | 37% | 23.8% |
| Sioux Center, IA | 7,592 | 69% | 43.8% |
| Clear Lake, IA | 7,594 | 73% | 52.4% |
| Glen Ridge, NJ | 7,583 | 79% | 64.6% |
| Princeton, IL | 7,589 | 33% | 30.9% |
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