| Index | Clarence | Iowa | National |
| Average Test Scores | 70% | 69% | 48% |
| Student/Teacher ratio | 14:1 | 13:1 | 16:1 |
| Total public schools | 1 | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Clarence | Iowa | National |
| Completed 8th grade | 91.3% | 89.2% | 84.3% |
| Completed high school | 86.2% | 87.7% | 83.0% |
| Completed some college | 47.8% | 59.8% | 59.4% |
| Completed associate degree | 23.8% | 38.4% | 38.5% |
| Completed bachelors | 14.1% | 27.2% | 30.3% |
| Completed masters | 3.8% | 8.7% | 11.5% |
| Completed professional degree | 2.1% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 1 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, IA schools is 70%. The average student to teacher ratio is 14:1. In Clarence, IA, an average of 91.3% of students have completed 8th grade and an average of 86.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wheatland, IA | 997 | 80% | 65.6% |
| Lowden, IA | 909 | 70% | 44.8% |
| Oxford Junction, IA | 423 | 70% | 44.8% |
| Tipton, IA | 3,192 | 68% | 42.4% |
| Mechanicsville, IA | 983 | 65% | 34.4% |
| Clarence, IA | 1,151 | 70% | 44.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Crenshaw, MS | 1,151 | 30% | 37.5% |
| Botkins, OH | 1,151 | 84% | 75.5% |
| Bellevue, MI | 1,152 | 28% | 41.1% |
| Rossville, IL | 1,152 | 20% | 59.4% |
| Ninnekah, OK | 1,150 | 32% | 33.0% |
| Clarence, IA | 1,151 | 70% | 44.8% |
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