| Index | Saybrook | Illinois | National |
| Average Test Scores | n/a | 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 | Saybrook | Illinois | National |
| Completed 8th grade | 87.1% | 86.2% | 84.3% |
| Completed high school | 87.1% | 84.7% | 83.0% |
| Completed some college | 52.2% | 61.8% | 59.4% |
| Completed associate degree | 23.9% | 40.7% | 38.5% |
| Completed bachelors | 16.9% | 32.9% | 30.3% |
| Completed masters | 4.4% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Saybrook. Using the proficiency score averages, the average test scores for Saybrook, IL schools is n/a. The average student to teacher ratio is n/a. In Saybrook, IL, an average of 87.1% of students have completed 8th grade and an average of 87.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Gibson City, IL | 3,412 | 44% | 8.0% |
| Farmer City, IL | 2,131 | 40% | 16.7% |
| Fisher, IL | 1,983 | 33% | 30.7% |
| Le Roy, IL | 3,546 | 32% | 32.6% |
| Colfax, IL | 1,124 | 27% | 43.4% |
| Saybrook, IL | 747 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Fonda, NY | 747 | 71% | 46.9% |
| Ethridge, TN | 746 | 42% | 12.5% |
| Shoals, IN | 746 | 39% | 19.1% |
| Ash Fork, AZ | 746 | 59% | 21.9% |
| Calhoun, KY | 748 | 52% | 8.3% |
| Saybrook, IL | 747 | n/a |