| Index | Plainfield | Vermont | National |
| Average Test Scores | n/a | n/a | 48% |
| Student/Teacher ratio | n/a | 11:1 | 16:1 |
| Total public schools | n/a | 143 | 79,221 |
| Total private schools | n/a | 67 | 24,874 |
| Total post-secondary schools | n/a | 23 | 7,963 |
| Index | Plainfield | Vermont | National |
| Completed 8th grade | 97.0% | 89.9% | 84.3% |
| Completed high school | 97.0% | 88.3% | 83.0% |
| Completed some college | 57.1% | 62.0% | 59.4% |
| Completed associate degree | 37.7% | 44.7% | 38.5% |
| Completed bachelors | 34.3% | 36.2% | 30.3% |
| Completed masters | 12.3% | 14.5% | 11.5% |
| Completed professional degree | 4.5% | 4.3% | 3.3% |
| Completed doctorate | 2.2% | 1.8% | 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, VT schools is n/a. The average student to teacher ratio is n/a. In Plainfield, VT, an average of 97.0% of students have completed 8th grade and an average of 97.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Plainfield, VT | 415 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Washburn, MO | 415 | 35% | 27.1% |
| Thomaston, AL | 415 | 22% | 54.2% |
| San Lucas, CA | 415 | 25% | 47.9% |
| Petrolia, TX | 415 | 37% | 22.9% |
| Tyonek, AK | 415 | 50% | 4.2% |
| Plainfield, VT | 415 | n/a |
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