| Index | Barnes 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 | Barnes City | Iowa | National |
| Completed 8th grade | 75.5% | 89.2% | 84.3% |
| Completed high school | 69.1% | 87.7% | 83.0% |
| Completed some college | 37.8% | 59.8% | 59.4% |
| Completed associate degree | 12.2% | 38.4% | 38.5% |
| Completed bachelors | 4.8% | 27.2% | 30.3% |
| Completed masters | 2.1% | 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 Barnes City. Using the proficiency score averages, the average test scores for Barnes City, IA schools is n/a. The average student to teacher ratio is n/a. In Barnes City, IA, an average of 75.5% of students have completed 8th grade and an average of 69.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Montezuma, IA | 1,550 | 80% | 66.0% |
| Sigourney, IA | 1,953 | 80% | 65.6% |
| New Sharon, IA | 1,216 | 72% | 50.0% |
| Oskaloosa, IA | 12,090 | 64% | 32.3% |
| Thornburg, IA | 57 | 62% | 28.1% |
| Barnes City, IA | 152 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Allen, KY | 152 | 48% | 1.0% |
| Lenhartsville, PA | 153 | 60% | 24.0% |
| Norris, SD | 153 | 20% | 58.3% |
| Clearmont, WY | 153 | 65% | 35.4% |
| Port Graham, AK | 153 | 20% | 58.3% |
| Barnes City, IA | 152 | n/a |
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