| Index | Shelby | 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 | Shelby | Iowa | National |
| Completed 8th grade | 88.3% | 89.2% | 84.3% |
| Completed high school | 87.4% | 87.7% | 83.0% |
| Completed some college | 52.6% | 59.8% | 59.4% |
| Completed associate degree | 31.3% | 38.4% | 38.5% |
| Completed bachelors | 13.8% | 27.2% | 30.3% |
| Completed masters | 3.7% | 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 Shelby. Using the proficiency score averages, the average test scores for Shelby, IA schools is n/a. The average student to teacher ratio is n/a. In Shelby, IA, an average of 88.3% of students have completed 8th grade and an average of 87.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Underwood, IA | 955 | 83% | 72.9% |
| Harlan, IA | 4,813 | 81% | 68.1% |
| Avoca, IA | 1,368 | 77% | 61.1% |
| Oakland, IA | 1,665 | 70% | 45.3% |
| Neola, IA | 1,055 | 66% | 38.2% |
| Shelby, IA | 708 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Ducor, CA | 708 | 11% | 77.1% |
| Muir, MI | 708 | 37% | 22.9% |
| Edgemont, SD | 708 | 42% | 12.0% |
| Alden, MN | 708 | 55% | 13.5% |
| Jackson, NC | 708 | 27% | 43.8% |
| Shelby, IA | 708 | n/a |
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