| Index | Glenns Ferry | Idaho | National |
| Average Test Scores | 37% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 17:1 | 16:1 |
| Total public schools | 3 | 446 | 79,221 |
| Total private schools | n/a | 83 | 24,874 |
| Total post-secondary schools | n/a | 34 | 7,963 |
| Index | Glenns Ferry | Idaho | National |
| Completed 8th grade | 81.8% | 85.7% | 84.3% |
| Completed high school | 79.5% | 84.8% | 83.0% |
| Completed some college | 49.1% | 62.4% | 59.4% |
| Completed associate degree | 17.2% | 35.6% | 38.5% |
| Completed bachelors | 11.0% | 26.2% | 30.3% |
| Completed masters | 2.4% | 8.4% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Glenns Ferry. Using the proficiency score averages, the average test scores for Glenns Ferry, ID schools is 37%. The average student to teacher ratio is 14:1. In Glenns Ferry, ID, an average of 81.8% of students have completed 8th grade and an average of 79.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Glenns Ferry, ID | 1,294 | 37% | 22.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Wiscasset, ME | 1,293 | 30% | 38.5% |
| Pilot Rock, OR | 1,293 | 36% | 25.5% |
| Marcus, IA | 1,295 | 76% | 58.3% |
| Harper, KS | 1,295 | 42% | 12.5% |
| Van Vleck, TX | 1,293 | 49% | 2.6% |
| Glenns Ferry, ID | 1,294 | 37% | 22.6% |
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