| Index | Rock Island | Illinois | National |
| Average Test Scores | 20% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 16 | 3,938 | 79,221 |
| Total private schools | 4 | 1,438 | 24,874 |
| Total post-secondary schools | 2 | 306 | 7,963 |
| Index | Rock Island | Illinois | National |
| Completed 8th grade | 83.6% | 86.2% | 84.3% |
| Completed high school | 82.5% | 84.7% | 83.0% |
| Completed some college | 57.1% | 61.8% | 59.4% |
| Completed associate degree | 30.7% | 40.7% | 38.5% |
| Completed bachelors | 21.9% | 32.9% | 30.3% |
| Completed masters | 7.3% | 12.7% | 11.5% |
| Completed professional degree | 2.0% | 3.4% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of 16 public schools, 4 private schools and 2 post-secondary schools in Rock Island. Using the proficiency score averages, the average test scores for Rock Island, IL schools is 20%. The average student to teacher ratio is 16:1. In Rock Island, IL, an average of 83.6% of students have completed 8th grade and an average of 82.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Long Grove, IA | 928 | 87% | 81.3% |
| Le Claire, IA | 4,093 | 86% | 78.8% |
| Blue Grass, IA | 2,108 | 85% | 76.0% |
| Princeton, IA | 976 | 85% | 76.0% |
| Bettendorf, IA | 37,477 | 82% | 70.7% |
| Rock Island, IL | 38,640 | 20% | 58.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Dover, DE | 38,633 | 45% | 6.5% |
| Rosenberg, TX | 38,648 | 47% | 1.7% |
| Monrovia, CA | 38,586 | 47% | 2.5% |
| Menomonee Falls, WI | 38,737 | 60% | 25.0% |
| Valley Stream, NY | 38,754 | 66% | 36.6% |
| Rock Island, IL | 38,640 | 20% | 58.5% |
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