| Index | Merwin | 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 | Merwin | Missouri | National |
| Completed 8th grade | 55.6% | 86.0% | 84.3% |
| Completed high school | 55.6% | 84.2% | 83.0% |
| Completed some college | 14.8% | 57.7% | 59.4% |
| Completed associate degree | 3.7% | 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 Merwin. Using the proficiency score averages, the average test scores for Merwin, MO schools is n/a. The average student to teacher ratio is n/a. In Merwin, MO, an average of 55.6% of students have completed 8th grade and an average of 55.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Adrian, MO | 2,058 | 50% | 3.6% |
| Archie, MO | 1,225 | 50% | 3.1% |
| Louisburg, KS | 4,499 | 45% | 6.9% |
| Butler, MO | 4,125 | 42% | 13.0% |
| Amoret, MO | 153 | 40% | 16.7% |
| Merwin, MO | 57 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Crooked Creek, AK | 57 | 50% | 4.2% |
| Plato, MO | 57 | 41% | 15.1% |
| Lacassine, LA | 57 | 79% | 63.5% |
| Box Elder, MT | 57 | 21% | 56.9% |
| Pelican, AK | 57 | 50% | 4.2% |
| Merwin, MO | 57 | n/a |
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