| Index | Delta | Missouri | National |
| Average Test Scores | 29% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
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| Index | Delta | Missouri | National |
| Completed 8th grade | 73.6% | 86.0% | 84.3% |
| Completed high school | 69.4% | 84.2% | 83.0% |
| Completed some college | 33.6% | 57.7% | 59.4% |
| Completed associate degree | 16.2% | 35.2% | 38.5% |
| Completed bachelors | 9.4% | 27.6% | 30.3% |
| Completed masters | 1.7% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Delta. Using the proficiency score averages, the average test scores for Delta, MO schools is 29%. The average student to teacher ratio is n/a. In Delta, MO, an average of 73.6% of students have completed 8th grade and an average of 69.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oran, MO | 1,323 | 61% | 26.6% |
| Bell City, MO | 513 | 52% | 8.3% |
| Jackson, MO | 15,346 | 50% | 3.3% |
| Advance, MO | 1,468 | 47% | 2.1% |
| Marble Hill, MO | 2,069 | 43% | 10.4% |
| Delta, MO | 474 | 29% | 39.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Almond, WI | 474 | 33% | 31.3% |
| New Augusta, MS | 474 | 32% | 32.8% |
| Marion Center, PA | 474 | 59% | 22.4% |
| Waubun, MN | 474 | 33% | 30.7% |
| Chattanooga, OK | 474 | 24% | 51.0% |
| Delta, MO | 474 | 29% | 39.1% |
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