| Index | Portage | Wisconsin | National |
| Average Test Scores | 47% | 41% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 10 | 1,869 | 79,221 |
| Total private schools | 2 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Portage | Wisconsin | National |
| Completed 8th grade | 82.2% | 89.0% | 84.3% |
| Completed high school | 81.5% | 87.8% | 83.0% |
| Completed some college | 50.7% | 59.7% | 59.4% |
| Completed associate degree | 27.0% | 38.7% | 38.5% |
| Completed bachelors | 15.6% | 28.4% | 30.3% |
| Completed masters | 3.5% | 9.6% | 11.5% |
| Completed professional degree | 1.1% | 2.7% | 3.3% |
| Completed doctorate | 0.4% | 1.1% | 1.3% |
There are a total of 10 public schools, 2 private schools and n/a post-secondary schools in Portage. Using the proficiency score averages, the average test scores for Portage, WI schools is 47%. The average student to teacher ratio is 15:1. In Portage, WI, an average of 82.2% of students have completed 8th grade and an average of 81.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Endeavor, WI | 575 | 60% | 25.0% |
| Poynette, WI | 2,559 | 48% | = 100 |
| Pardeeville, WI | 2,114 | 47% | 3.1% |
| Merrimac, WI | 688 | 45% | 6.3% |
| Baraboo, WI | 12,549 | 44% | 9.2% |
| Portage, WI | 10,657 | 47% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Barrington, IL | 10,656 | 61% | 26.2% |
| Bellefontaine Neighbors, MO | 10,655 | 13% | 74.0% |
| Gig Harbor, WA | 10,659 | 65% | 35.9% |
| Miami Shores, FL | 10,653 | 68% | 41.7% |
| Fort Madison, IA | 10,650 | 63% | 31.3% |
| Portage, WI | 10,657 | 47% | 3.1% |
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