| Index | Dellwood | Wisconsin | National |
| Average Test Scores | n/a | 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 | Dellwood | Wisconsin | National |
| Completed 8th grade | 83.1% | 89.0% | 84.3% |
| Completed high school | 81.0% | 87.8% | 83.0% |
| Completed some college | 45.9% | 59.7% | 59.4% |
| Completed associate degree | 20.1% | 38.7% | 38.5% |
| Completed bachelors | 9.2% | 28.4% | 30.3% |
| Completed masters | 3.0% | 9.6% | 11.5% |
| Completed professional degree | 0.6% | 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 Dellwood. Using the proficiency score averages, the average test scores for Dellwood, WI schools is n/a. The average student to teacher ratio is n/a. In Dellwood, WI, an average of 83.1% of students have completed 8th grade and an average of 81.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Grand Marsh, WI | 144 | 40% | 16.7% |
| Mauston, WI | 4,354 | 31% | 35.2% |
| Necedah, WI | 1,001 | 27% | 43.4% |
| Adams, WI | 2,159 | 26% | 45.1% |
| New Lisbon, WI | 2,521 | 26% | 46.4% |
| Dellwood, WI | 475 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Kinde, MI | 475 | 35% | 28.1% |
| Bonanza, OR | 475 | 41% | 15.1% |
| Diagonal, IA | 475 | 78% | 61.5% |
| Garden Valley, ID | 475 | 60% | 24.0% |
| Skillman, NJ | 476 | 77% | 60.2% |
| Dellwood, WI | 475 | n/a |
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