| Index | Carbon | 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 | Carbon | Iowa | National |
| Completed 8th grade | 97.3% | 89.2% | 84.3% |
| Completed high school | 97.3% | 87.7% | 83.0% |
| Completed some college | 48.6% | 59.8% | 59.4% |
| Completed associate degree | 35.1% | 38.4% | 38.5% |
| Completed bachelors | 27.0% | 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 Carbon. Using the proficiency score averages, the average test scores for Carbon, IA schools is n/a. The average student to teacher ratio is n/a. In Carbon, IA, an average of 97.3% of students have completed 8th grade and an average of 97.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stanton, IA | 627 | 81% | 68.8% |
| Lenox, IA | 1,446 | 73% | 52.6% |
| Massena, IA | 387 | 70% | 45.3% |
| Corning, IA | 1,671 | 60% | 24.5% |
| Villisca, IA | 1,162 | 60% | 24.0% |
| Carbon, IA | 52 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Koyukuk, AK | 52 | 50% | 4.2% |
| Kansas, OH | 52 | 66% | 37.8% |
| Everton, AR | 52 | 37% | 22.9% |
| Lancaster, VA | 52 | 77% | 60.4% |
| Takotna, AK | 53 | 50% | 4.2% |
| Carbon, IA | 52 | n/a |
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