| Index | Underwood-Petersville | Alabama | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 1,307 | 79,221 |
| Total private schools | n/a | 353 | 24,874 |
| Total post-secondary schools | n/a | 102 | 7,963 |

| Index | Underwood-Petersville | Alabama | National |
| Completed 8th grade | 75.9% | 80.7% | 84.3% |
| Completed high school | 74.9% | 79.2% | 83.0% |
| Completed some college | 36.9% | 53.8% | 59.4% |
| Completed associate degree | 11.9% | 31.9% | 38.5% |
| Completed bachelors | 9.5% | 24.0% | 30.3% |
| Completed masters | 4.2% | 8.9% | 11.5% |
| Completed professional degree | 0.9% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Underwood-Petersville. Using the proficiency score averages, the average test scores for Underwood-Petersville, AL schools is n/a. The average student to teacher ratio is n/a. In Underwood-Petersville, AL, an average of 75.9% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Muscle Shoals, AL | 14,685 | 66% | 37.2% |
| Killen, AL | 1,175 | 58% | 20.8% |
| Florence, AL | 41,756 | 54% | 12.3% |
| Tuscumbia, AL | 8,741 | 42% | 12.7% |
| Sheffield, AL | 9,116 | 38% | 21.2% |
| Underwood-Petersville, AL | 2,778 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Brusly, LA | 2,780 | 76% | 58.3% |
| Fayette, MO | 2,776 | 52% | 8.7% |
| Bicknell, IN | 2,776 | 40% | 17.7% |
| Healdton, OK | 2,780 | 22% | 53.8% |
| Grundy Center, IA | 2,775 | 85% | 77.8% |
| Underwood-Petersville, AL | 2,778 | n/a |