| Index | Kellerton | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Kellerton | Iowa | National |
| Completed 8th grade | 74.4% | 89.2% | 84.3% |
| Completed high school | 72.9% | 87.7% | 83.0% |
| Completed some college | 38.2% | 59.8% | 59.4% |
| Completed associate degree | 16.1% | 38.4% | 38.5% |
| Completed bachelors | 5.0% | 27.2% | 30.3% |
| Completed masters | 0.5% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Kellerton. Using the proficiency score averages, the average test scores for Kellerton, IA schools is n/a. The average student to teacher ratio is n/a. In Kellerton, IA, an average of 74.4% of students have completed 8th grade and an average of 72.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mount Ayr, IA | 2,030 | 83% | 73.4% |
| Lamoni, IA | 2,412 | 66% | 36.5% |
| Kellerton, IA | 308 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Cazenovia, WI | 307 | 22% | 54.2% |
| Nazareth, TX | 309 | 77% | 60.4% |
| Roberts, MT | 307 | 38% | 20.1% |
| Noble, LA | 309 | 60% | 24.0% |
| Mill Creek, OK | 309 | 32% | 32.8% |
| Kellerton, IA | 308 | n/a |
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