| Index | Portage Des Sioux | Missouri | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Portage Des Sioux | Missouri | National |
| Completed 8th grade | 85.0% | 86.0% | 84.3% |
| Completed high school | 80.4% | 84.2% | 83.0% |
| Completed some college | 42.5% | 57.7% | 59.4% |
| Completed associate degree | 17.1% | 35.2% | 38.5% |
| Completed bachelors | 9.2% | 27.6% | 30.3% |
| Completed masters | 2.1% | 10.4% | 11.5% |
| Completed professional degree | 1.7% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Portage Des Sioux. Using the proficiency score averages, the average test scores for Portage Des Sioux, MO schools is n/a. The average student to teacher ratio is n/a. In Portage Des Sioux, MO, an average of 85.0% of students have completed 8th grade and an average of 80.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Grafton, IL | 672 | 65% | 35.4% |
| St. Peters, MO | 57,536 | 63% | 31.5% |
| Maryland Heights, MO | 26,996 | 60% | 25.0% |
| St. Charles, MO | 70,650 | 55% | 15.4% |
| Bridgeton, MO | 11,577 | 47% | 3.1% |
| Portage Des Sioux, MO | 305 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| La Plant, SD | 305 | 5% | 89.6% |
| New Ringgold, PA | 305 | 52% | 8.3% |
| Dyer, NV | 305 | 30% | 37.5% |
| Millsap, TX | 305 | 50% | 4.5% |
| Dubberly, LA | 305 | 69% | 42.7% |
| Portage Des Sioux, MO | 305 | n/a |
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