| Index | Clarence | Missouri | National |
| Average Test Scores | 40% | 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 | Clarence | Missouri | National |
| Completed 8th grade | 85.3% | 86.0% | 84.3% |
| Completed high school | 81.9% | 84.2% | 83.0% |
| Completed some college | 37.0% | 57.7% | 59.4% |
| Completed associate degree | 13.5% | 35.2% | 38.5% |
| Completed bachelors | 10.2% | 27.6% | 30.3% |
| Completed masters | 3.1% | 10.4% | 11.5% |
| Completed professional degree | 0.9% | 2.8% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Clarence. Using the proficiency score averages, the average test scores for Clarence, MO schools is 40%. The average student to teacher ratio is n/a. In Clarence, MO, an average of 85.3% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Atlanta, MO | 572 | 71% | 47.9% |
| Shelbyville, MO | 478 | 66% | 37.0% |
| Macon, MO | 5,357 | 54% | 11.5% |
| Shelbina, MO | 1,759 | 45% | 6.9% |
| Clarence, MO | 1,050 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Friendsville, TN | 1,050 | 35% | 27.4% |
| New Castle, KY | 1,050 | 41% | 15.3% |
| Sentinel, OK | 1,050 | 31% | 35.4% |
| Amherst, TX | 1,050 | 32% | 33.3% |
| Amelia Court House, VA | 1,050 | 83% | 73.6% |
| Clarence, MO | 1,050 | 40% | 16.7% |
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