| Index | Sigourney | Iowa | National |
| Average Test Scores | 80% | 69% | 48% |
| Student/Teacher ratio | 11:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Sigourney | Iowa | National |
| Completed 8th grade | 90.8% | 89.2% | 84.3% |
| Completed high school | 89.0% | 87.7% | 83.0% |
| Completed some college | 46.7% | 59.8% | 59.4% |
| Completed associate degree | 32.1% | 38.4% | 38.5% |
| Completed bachelors | 21.2% | 27.2% | 30.3% |
| Completed masters | 8.4% | 8.7% | 11.5% |
| Completed professional degree | 2.7% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Sigourney. Using the proficiency score averages, the average test scores for Sigourney, IA schools is 80%. The average student to teacher ratio is 11:1. In Sigourney, IA, an average of 90.8% of students have completed 8th grade and an average of 89.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Packwood, IA | 586 | 69% | 44.1% |
| North English, IA | 957 | 67% | 39.6% |
| Keota, IA | 834 | 66% | 37.0% |
| Thornburg, IA | 55 | 62% | 28.1% |
| Fremont, IA | 804 | 50% | 4.2% |
| Sigourney, IA | 1,909 | 80% | 65.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Gunter, TX | 1,909 | 56% | 17.4% |
| Joseph City, AZ | 1,908 | 54% | 12.8% |
| Laurel Springs, NJ | 1,908 | 65% | 34.4% |
| Buna, TX | 1,908 | 45% | 5.9% |
| Cold Spring, NY | 1,911 | 81% | 68.2% |
| Sigourney, IA | 1,909 | 80% | 65.6% |
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