| Index | Columbus City | 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 | Columbus City | Iowa | National |
| Completed 8th grade | 60.6% | 89.2% | 84.3% |
| Completed high school | 57.0% | 87.7% | 83.0% |
| Completed some college | 35.2% | 59.8% | 59.4% |
| Completed associate degree | 14.0% | 38.4% | 38.5% |
| Completed bachelors | 8.8% | 27.2% | 30.3% |
| Completed masters | 2.3% | 8.7% | 11.5% |
| Completed professional degree | 0.3% | 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 Columbus City. Using the proficiency score averages, the average test scores for Columbus City, IA schools is n/a. The average student to teacher ratio is n/a. In Columbus City, IA, an average of 60.6% of students have completed 8th grade and an average of 57.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Morning Sun, IA | 726 | 75% | 56.3% |
| Letts, IA | 334 | 72% | 50.7% |
| Wayland, IA | 1,149 | 67% | 39.6% |
| Winfield, IA | 1,035 | 66% | 37.0% |
| Crawfordsville, IA | 334 | 62% | 29.2% |
| Columbus City, IA | 388 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Grand Junction, TN | 388 | 17% | 64.6% |
| Miles, IA | 388 | 65% | 34.4% |
| Hayesville, NC | 387 | 45% | 7.3% |
| Beallsville, OH | 387 | 43% | 9.9% |
| Bethune, SC | 387 | 42% | 12.5% |
| Columbus City, IA | 388 | n/a |
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