| Index | Plainfield | Wisconsin | National |
| Average Test Scores | 34% | 41% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |

| Index | Plainfield | Wisconsin | National |
| Completed 8th grade | 75.3% | 89.0% | 84.3% |
| Completed high school | 70.4% | 87.8% | 83.0% |
| Completed some college | 34.8% | 59.7% | 59.4% |
| Completed associate degree | 16.9% | 38.7% | 38.5% |
| Completed bachelors | 7.5% | 28.4% | 30.3% |
| Completed masters | 2.5% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Plainfield. Using the proficiency score averages, the average test scores for Plainfield, WI schools is 34%. The average student to teacher ratio is n/a. In Plainfield, WI, an average of 75.3% of students have completed 8th grade and an average of 70.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Coloma, WI | 573 | 60% | 25.0% |
| Wild Rose, WI | 867 | 47% | 2.1% |
| Wautoma, WI | 2,097 | 36% | 25.3% |
| Almond, WI | 474 | 33% | 31.3% |
| Plainfield, WI | 1,018 | 34% | 29.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Dunkerton, IA | 1,018 | 66% | 37.0% |
| Fort Calhoun, NE | 1,018 | 72% | 49.5% |
| Forrest, IL | 1,017 | 46% | 3.6% |
| Castle Hayne, NC | 1,017 | 49% | 2.6% |
| Marine, IL | 1,017 | 55% | 13.5% |
| Plainfield, WI | 1,018 | 34% | 29.5% |