| Index | Thayer | 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 | Thayer | Iowa | National |
| Completed 8th grade | 94.9% | 89.2% | 84.3% |
| Completed high school | 94.9% | 87.7% | 83.0% |
| Completed some college | 38.5% | 59.8% | 59.4% |
| Completed associate degree | 10.3% | 38.4% | 38.5% |
| Completed bachelors | 5.1% | 27.2% | 30.3% |
| Completed masters | 0.0% | 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 Thayer. Using the proficiency score averages, the average test scores for Thayer, IA schools is n/a. The average student to teacher ratio is n/a. In Thayer, IA, an average of 94.9% of students have completed 8th grade and an average of 94.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Murray, IA | 716 | 77% | 60.4% |
| Afton, IA | 929 | 71% | 47.4% |
| Truro, IA | 554 | 68% | 40.6% |
| Osceola, IA | 5,362 | 57% | 18.4% |
| Thayer, IA | 24 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Inkster, ND | 24 | 51% | 6.3% |
| Coulterville, CA | 24 | 30% | 37.5% |
| Bynum, MT | 26 | 35% | 27.1% |
| Wolford, ND | 22 | 60% | 25.0% |
| Macomb, OK | 26 | 34% | 30.2% |
| Thayer, IA | 24 | n/a |