| Index | Lewiston | Idaho | National |
| Average Test Scores | 47% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 17:1 | 16:1 |
| Total public schools | 12 | 446 | 79,221 |
| Total private schools | 4 | 83 | 24,874 |
| Total post-secondary schools | 3 | 34 | 7,963 |
| Index | Lewiston | Idaho | National |
| Completed 8th grade | 87.4% | 85.7% | 84.3% |
| Completed high school | 86.8% | 84.8% | 83.0% |
| Completed some college | 59.4% | 62.4% | 59.4% |
| Completed associate degree | 31.2% | 35.6% | 38.5% |
| Completed bachelors | 22.4% | 26.2% | 30.3% |
| Completed masters | 6.0% | 8.4% | 11.5% |
| Completed professional degree | 1.7% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of 12 public schools, 4 private schools and 3 post-secondary schools in Lewiston. Using the proficiency score averages, the average test scores for Lewiston, ID schools is 47%. The average student to teacher ratio is 17:1. In Lewiston, ID, an average of 87.4% of students have completed 8th grade and an average of 86.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Genesee, ID | 1,209 | 70% | 44.8% |
| Asotin, WA | 1,168 | 62% | 29.2% |
| Colton, WA | 372 | 60% | 24.0% |
| Clarkston, WA | 7,435 | 43% | 11.5% |
| Juliaetta, ID | 511 | 42% | 12.5% |
| Lewiston, ID | 32,853 | 47% | 2.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Salisbury, MD | 32,850 | 34% | 29.0% |
| Pueblo West, CO | 32,842 | 35% | 26.7% |
| Pikesville, MD | 32,871 | 31% | 35.4% |
| Parkland, FL | 32,878 | 80% | 65.9% |
| Bay City, MI | 32,892 | 36% | 25.8% |
| Lewiston, ID | 32,853 | 47% | 2.9% |
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