| Index | Mason City | Iowa | National |
| Average Test Scores | 54% | 69% | 48% |
| Student/Teacher ratio | 13:1 | 13:1 | 16:1 |
| Total public schools | 10 | 1,101 | 79,221 |
| Total private schools | 3 | 208 | 24,874 |
| Total post-secondary schools | 3 | 96 | 7,963 |
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| Index | Mason City | Iowa | National |
| Completed 8th grade | 89.9% | 89.2% | 84.3% |
| Completed high school | 88.6% | 87.7% | 83.0% |
| Completed some college | 61.7% | 59.8% | 59.4% |
| Completed associate degree | 36.9% | 38.4% | 38.5% |
| Completed bachelors | 21.4% | 27.2% | 30.3% |
| Completed masters | 6.5% | 8.7% | 11.5% |
| Completed professional degree | 1.9% | 2.7% | 3.3% |
| Completed doctorate | 0.7% | 1.1% | 1.3% |
There are a total of 10 public schools, 3 private schools and 3 post-secondary schools in Mason City. Using the proficiency score averages, the average test scores for Mason City, IA schools is 54%. The average student to teacher ratio is 13:1. In Mason City, IA, an average of 89.9% of students have completed 8th grade and an average of 88.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Manly, IA | 1,480 | 78% | 61.5% |
| Rockford, IA | 827 | 75% | 55.2% |
| Ventura, IA | 761 | 74% | 54.2% |
| Clear Lake, IA | 7,594 | 73% | 52.4% |
| Rockwell, IA | 871 | 67% | 39.6% |
| Mason City, IA | 27,064 | 54% | 12.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Wakefield, MA | 27,041 | 56% | 15.8% |
| Allen Park, MI | 27,089 | 41% | 14.2% |
| Magna, UT | 27,029 | 26% | 46.7% |
| Norco, CA | 27,021 | 48% | 0.9% |
| Statesville, NC | 27,114 | 42% | 12.6% |
| Mason City, IA | 27,064 | 54% | 12.9% |
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