| Index | Royal | Illinois | National |
| Average Test Scores | 65% | 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 | Royal | Illinois | National |
| Completed 8th grade | 94.7% | 86.2% | 84.3% |
| Completed high school | 92.4% | 84.7% | 83.0% |
| Completed some college | 50.6% | 61.8% | 59.4% |
| Completed associate degree | 26.5% | 40.7% | 38.5% |
| Completed bachelors | 21.8% | 32.9% | 30.3% |
| Completed masters | 5.3% | 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 Royal. Using the proficiency score averages, the average test scores for Royal, IL schools is 65%. The average student to teacher ratio is n/a. In Royal, IL, an average of 94.7% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Savoy, IL | 8,802 | 55% | 14.6% |
| St. Joseph, IL | 4,053 | 52% | 7.6% |
| Philo, IL | 1,398 | 50% | 3.1% |
| Thomasboro, IL | 1,036 | 44% | 9.4% |
| Ogden, IL | 773 | 42% | 12.5% |
| Royal, IL | 370 | 65% | 35.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Oneida, KY | 370 | 52% | 8.9% |
| Naknek, AK | 370 | 24% | 50.5% |
| Willow River, MN | 370 | 50% | 3.1% |
| Whittemore, MI | 370 | 30% | 37.5% |
| Tetonia, ID | 369 | 50% | 4.2% |
| Royal, IL | 370 | 65% | 35.4% |
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