| Index | Yoncalla | Oregon | National |
| Average Test Scores | 39% | 46% | 48% |
| Student/Teacher ratio | 15:1 | 20:1 | 16:1 |
| Total public schools | 2 | 1,097 | 79,221 |
| Total private schools | 1 | 361 | 24,874 |
| Total post-secondary schools | n/a | 89 | 7,963 |
| Index | Yoncalla | Oregon | National |
| Completed 8th grade | 88.0% | 86.3% | 84.3% |
| Completed high school | 85.3% | 85.4% | 83.0% |
| Completed some college | 48.2% | 66.1% | 59.4% |
| Completed associate degree | 16.6% | 39.9% | 38.5% |
| Completed bachelors | 6.4% | 31.4% | 30.3% |
| Completed masters | 2.0% | 11.9% | 11.5% |
| Completed professional degree | 0.4% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Yoncalla. Using the proficiency score averages, the average test scores for Yoncalla, OR schools is 39%. The average student to teacher ratio is 15:1. In Yoncalla, OR, an average of 88.0% of students have completed 8th grade and an average of 85.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Drain, OR | 955 | 57% | 19.3% |
| Oakland, OR | 1,071 | 56% | 17.4% |
| Elkton, OR | 162 | 52% | 8.3% |
| Sutherlin, OR | 8,060 | 47% | 1.9% |
| Cottage Grove, OR | 10,302 | 43% | 11.2% |
| Yoncalla, OR | 1,166 | 39% | 19.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Siletz, OR | 1,166 | 26% | 45.8% |
| Chico, TX | 1,166 | 52% | 8.7% |
| Taylors Falls, MN | 1,166 | 60% | 24.0% |
| Elbow Lake, MN | 1,166 | 77% | 60.4% |
| Lake Linden, MI | 1,167 | 46% | 4.2% |
| Yoncalla, OR | 1,166 | 39% | 19.8% |
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