| Index | Excello | Missouri | National |
| Average Test Scores | n/a | 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 |

| Index | Excello | Missouri | National |
| Completed 8th grade | 100.0% | 86.0% | 84.3% |
| Completed high school | 100.0% | 84.2% | 83.0% |
| Completed some college | 100.0% | 57.7% | 59.4% |
| Completed associate degree | 0.0% | 35.2% | 38.5% |
| Completed bachelors | 0.0% | 27.6% | 30.3% |
| Completed masters | 0.0% | 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 Excello. Using the proficiency score averages, the average test scores for Excello, MO schools is n/a. The average student to teacher ratio is n/a. In Excello, MO, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Macon, MO | 5,481 | 54% | 11.5% |
| Cairo, MO | 237 | 53% | 10.9% |
| Huntsville, MO | 1,864 | 51% | 6.3% |
| Bevier, MO | 692 | 45% | 6.8% |
| New Cambria, MO | 118 | 44% | 8.9% |
| Excello, MO | 30 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mosquero, NM | 30 | 50% | 4.2% |
| Gerlach, NV | 30 | 50% | 4.2% |
| Slana, AK | 28 | 50% | 4.2% |
| Forbes, ND | 32 | 20% | 58.3% |
| Creston, CA | 33 | 50% | 4.2% |
| Excello, MO | 30 | n/a |