| Index | Centralia | 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 | Centralia | Iowa | National |
| Completed 8th grade | 93.6% | 89.2% | 84.3% |
| Completed high school | 92.6% | 87.7% | 83.0% |
| Completed some college | 45.7% | 59.8% | 59.4% |
| Completed associate degree | 22.3% | 38.4% | 38.5% |
| Completed bachelors | 10.6% | 27.2% | 30.3% |
| Completed masters | 3.2% | 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 Centralia. Using the proficiency score averages, the average test scores for Centralia, IA schools is n/a. The average student to teacher ratio is n/a. In Centralia, IA, an average of 93.6% of students have completed 8th grade and an average of 92.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Peosta, IA | 1,964 | 87% | 81.3% |
| Cascade, IA | 2,104 | 87% | 81.3% |
| Epworth, IA | 1,792 | 83% | 72.9% |
| Farley, IA | 1,733 | 81% | 68.2% |
| Dyersville, IA | 4,131 | 75% | 55.2% |
| Centralia, IA | 140 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Halfway, MO | 140 | 42% | 12.0% |
| Allen, KS | 140 | 25% | 47.9% |
| Sorrento, FL | 140 | 64% | 33.3% |
| Winifred, MT | 139 | 60% | 25.0% |
| Mackey, IN | 139 | 67% | 39.6% |
| Centralia, IA | 140 | n/a |
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