| Index | Seneca | Oregon | National |
| Average Test Scores | 50% | 46% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,097 | 79,221 |
| Total private schools | n/a | 361 | 24,874 |
| Total post-secondary schools | n/a | 89 | 7,963 |
| Index | Seneca | Oregon | National |
| Completed 8th grade | 74.8% | 86.3% | 84.3% |
| Completed high school | 74.8% | 85.4% | 83.0% |
| Completed some college | 52.9% | 66.1% | 59.4% |
| Completed associate degree | 25.8% | 39.9% | 38.5% |
| Completed bachelors | 21.9% | 31.4% | 30.3% |
| Completed masters | 16.1% | 11.9% | 11.5% |
| Completed professional degree | 14.8% | 3.6% | 3.3% |
| Completed doctorate | 7.7% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Seneca. Using the proficiency score averages, the average test scores for Seneca, OR schools is 50%. The average student to teacher ratio is n/a. In Seneca, OR, an average of 74.8% of students have completed 8th grade and an average of 74.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Seneca, OR | 242 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Brookville, KS | 242 | 20% | 59.4% |
| Talmo, GA | 242 | 47% | 2.1% |
| West Sunbury, PA | 242 | 56% | 17.2% |
| Johnson, NE | 242 | 68% | 42.2% |
| Oakdale, TN | 241 | 21% | 57.3% |
| Seneca, OR | 242 | 50% | 4.2% |
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