| Index | Grand Marsh | Wisconsin | National |
| Average Test Scores | 40% | 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 | Grand Marsh | Wisconsin | National |
| Completed 8th grade | 56.6% | 89.0% | 84.3% |
| Completed high school | 56.6% | 87.8% | 83.0% |
| Completed some college | 24.5% | 59.7% | 59.4% |
| Completed associate degree | 12.3% | 38.7% | 38.5% |
| Completed bachelors | 9.4% | 28.4% | 30.3% |
| Completed masters | 0.0% | 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 Grand Marsh. Using the proficiency score averages, the average test scores for Grand Marsh, WI schools is 40%. The average student to teacher ratio is n/a. In Grand Marsh, WI, an average of 56.6% of students have completed 8th grade and an average of 56.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Coloma, WI | 554 | 60% | 25.0% |
| Endeavor, WI | 562 | 60% | 25.0% |
| Oxford, WI | 542 | 42% | 12.5% |
| Westfield, WI | 1,256 | 34% | 29.5% |
| Lyndon Station, WI | 728 | 30% | 37.5% |
| Grand Marsh, WI | 144 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Kahlotus, WA | 144 | 40% | 16.7% |
| Gail, TX | 144 | 65% | 34.4% |
| Westbrook, TX | 144 | 50% | 3.1% |
| Le Flore, OK | 144 | 30% | 38.0% |
| Brashear, MO | 143 | 50% | 4.2% |
| Grand Marsh, WI | 144 | 40% | 16.7% |
Here are the best places to live in Wisconsin
Check out the 10 safest cities in Wisconsin
Check out the 10 most dangerous cities in Wisconsin
Most Dangerous States In The US