| Index | Plymouth | Wisconsin | National |
| Average Test Scores | 48% | 41% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 6 | 1,869 | 79,221 |
| Total private schools | 3 | 872 | 24,874 |
| Total post-secondary schools | 1 | 114 | 7,963 |
| Index | Plymouth | Wisconsin | National |
| Completed 8th grade | 90.3% | 89.0% | 84.3% |
| Completed high school | 89.2% | 87.8% | 83.0% |
| Completed some college | 59.5% | 59.7% | 59.4% |
| Completed associate degree | 38.1% | 38.7% | 38.5% |
| Completed bachelors | 29.9% | 28.4% | 30.3% |
| Completed masters | 8.2% | 9.6% | 11.5% |
| Completed professional degree | 1.7% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 6 public schools, 3 private schools and 1 post-secondary schools in Plymouth. Using the proficiency score averages, the average test scores for Plymouth, WI schools is 48%. The average student to teacher ratio is 14:1. In Plymouth, WI, an average of 90.3% of students have completed 8th grade and an average of 89.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kohler, WI | 2,016 | 70% | 44.8% |
| Oostburg, WI | 3,017 | 65% | 34.4% |
| Cleveland, WI | 1,753 | 53% | 9.4% |
| Howards Grove, WI | 3,253 | 52% | 8.7% |
| Cedar Grove, WI | 2,231 | 52% | 8.0% |
| Plymouth, WI | 8,654 | 48% | 0.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Wharton, TX | 8,654 | 31% | 36.1% |
| Audubon, NJ | 8,656 | 52% | 7.8% |
| Edgemere, MD | 8,652 | 62% | 29.2% |
| Wellington, CO | 8,651 | 45% | 5.9% |
| Village Green-Green Ridge, PA | 8,661 | 77% | 60.4% |
| Plymouth, WI | 8,654 | 48% | 0.4% |
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