| Index | Griggsville | Illinois | National |
| Average Test Scores | 25% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Griggsville | Illinois | National |
| Completed 8th grade | 80.7% | 86.2% | 84.3% |
| Completed high school | 79.8% | 84.7% | 83.0% |
| Completed some college | 44.4% | 61.8% | 59.4% |
| Completed associate degree | 19.2% | 40.7% | 38.5% |
| Completed bachelors | 12.3% | 32.9% | 30.3% |
| Completed masters | 2.4% | 12.7% | 11.5% |
| Completed professional degree | 1.1% | 3.4% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Griggsville. Using the proficiency score averages, the average test scores for Griggsville, IL schools is 25%. The average student to teacher ratio is 16:1. In Griggsville, IL, an average of 80.7% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Winchester, IL | 1,717 | 31% | 34.9% |
| Pittsfield, IL | 4,215 | 25% | 47.4% |
| Meredosia, IL | 904 | 24% | 49.7% |
| Bluffs, IL | 773 | 23% | 51.7% |
| Perry, IL | 274 | 20% | 59.4% |
| Griggsville, IL | 1,454 | 25% | 47.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Stratford, WI | 1,454 | 48% | 0.3% |
| Goodman, MO | 1,454 | 35% | 28.1% |
| Babbitt, MN | 1,454 | 48% | 0.5% |
| North Bend, NE | 1,453 | 62% | 29.2% |
| Silver Lake, KS | 1,453 | 50% | 4.7% |
| Griggsville, IL | 1,454 | 25% | 47.9% |
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