| Index | Gridley | Kansas | National |
| Average Test Scores | 25% | 35% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Gridley | Kansas | National |
| Completed 8th grade | 88.4% | 87.4% | 84.3% |
| Completed high school | 87.9% | 86.1% | 83.0% |
| Completed some college | 50.9% | 63.7% | 59.4% |
| Completed associate degree | 25.0% | 39.8% | 38.5% |
| Completed bachelors | 14.3% | 31.6% | 30.3% |
| Completed masters | 0.4% | 11.4% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 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 Gridley. Using the proficiency score averages, the average test scores for Gridley, KS schools is 25%. The average student to teacher ratio is n/a. In Gridley, KS, an average of 88.4% of students have completed 8th grade and an average of 87.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Madison, KS | 788 | 45% | 6.3% |
| Burlington, KS | 2,535 | 38% | 21.9% |
| LeRoy, KS | 579 | 30% | 37.5% |
| Hartford, KS | 338 | 20% | 59.4% |
| Gridley, KS | 355 | 25% | 47.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Sussex, VA | 355 | 78% | 63.0% |
| Bennett, NC | 355 | 57% | 18.8% |
| Branch, LA | 355 | 54% | 11.5% |
| Ransom, IL | 355 | 20% | 58.3% |
| Spottsville, KY | 355 | 72% | 50.0% |
| Gridley, KS | 355 | 25% | 47.9% |
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