| Index | Deville | Louisiana | National |
| Average Test Scores | 76% | 66% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,334 | 79,221 |
| Total private schools | n/a | 395 | 24,874 |
| Total post-secondary schools | n/a | 175 | 7,963 |
| Index | Deville | Louisiana | National |
| Completed 8th grade | 77.5% | 80.2% | 84.3% |
| Completed high school | 73.8% | 78.5% | 83.0% |
| Completed some college | 34.2% | 49.9% | 59.4% |
| Completed associate degree | 24.1% | 28.6% | 38.5% |
| Completed bachelors | 15.7% | 23.0% | 30.3% |
| Completed masters | 2.4% | 7.9% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 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 Deville. Using the proficiency score averages, the average test scores for Deville, LA schools is 76%. The average student to teacher ratio is n/a. In Deville, LA, an average of 77.5% of students have completed 8th grade and an average of 73.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Deville, LA | 1,248 | 76% | 58.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Buhler, KS | 1,247 | 38% | 20.3% |
| Onsted, MI | 1,249 | 40% | 16.7% |
| New York Mills, MN | 1,249 | 58% | 21.4% |
| St. Anne, IL | 1,249 | 25% | 47.9% |
| Flippin, AR | 1,247 | 43% | 11.5% |
| Deville, LA | 1,248 | 76% | 58.3% |
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