| Index | Portis | Kansas | National |
| Average Test Scores | n/a | 35% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Portis | Kansas | National |
| Completed 8th grade | 94.6% | 87.4% | 84.3% |
| Completed high school | 94.6% | 86.1% | 83.0% |
| Completed some college | 66.1% | 63.7% | 59.4% |
| Completed associate degree | 25.0% | 39.8% | 38.5% |
| Completed bachelors | 16.1% | 31.6% | 30.3% |
| Completed masters | 0.0% | 11.4% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 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 Portis. Using the proficiency score averages, the average test scores for Portis, KS schools is n/a. The average student to teacher ratio is n/a. In Portis, KS, an average of 94.6% of students have completed 8th grade and an average of 94.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cawker City, KS | 514 | 55% | 14.6% |
| Osborne, KS | 1,518 | 45% | 6.8% |
| Downs, KS | 610 | 45% | 7.3% |
| Smith Center, KS | 1,409 | 41% | 15.1% |
| Portis, KS | 157 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lavina, MT | 157 | 55% | 14.6% |
| Richvale, CA | 157 | 70% | 45.8% |
| Paradise Valley, NV | 157 | 40% | 16.7% |
| Lignite, ND | 157 | 45% | 6.3% |
| Outlook, WA | 158 | 35% | 27.1% |
| Portis, KS | 157 | n/a |
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