| Index | Columbus Junction | Iowa | National |
| Average Test Scores | 52% | 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 Junction | Iowa | National |
| Completed 8th grade | 72.4% | 89.2% | 84.3% |
| Completed high school | 68.8% | 87.7% | 83.0% |
| Completed some college | 36.1% | 59.8% | 59.4% |
| Completed associate degree | 18.5% | 38.4% | 38.5% |
| Completed bachelors | 10.8% | 27.2% | 30.3% |
| Completed masters | 4.6% | 8.7% | 11.5% |
| Completed professional degree | 0.9% | 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 Junction. Using the proficiency score averages, the average test scores for Columbus Junction, IA schools is 52%. The average student to teacher ratio is n/a. In Columbus Junction, IA, an average of 72.4% of students have completed 8th grade and an average of 68.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Morning Sun, IA | 726 | 75% | 56.3% |
| Letts, IA | 334 | 72% | 50.7% |
| Winfield, IA | 1,035 | 66% | 37.0% |
| Riverside, IA | 1,021 | 66% | 36.5% |
| Crawfordsville, IA | 334 | 62% | 29.2% |
| Columbus Junction, IA | 2,260 | 52% | 8.7% |
| City | Population | Avg. Test Scores | National Avg. |
| White Castle, LA | 2,260 | 59% | 21.9% |
| Knightstown, IN | 2,260 | 48% | 0.3% |
| Colfax, LA | 2,261 | 27% | 43.8% |
| Tremont, IL | 2,261 | 52% | 8.7% |
| Monticello, FL | 2,259 | 35% | 26.4% |
| Columbus Junction, IA | 2,260 | 52% | 8.7% |
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