Rhode Island counties ranked by the diversity index, the chance that two public school students picked at random from the county belong to different racial or ethnic groups. Counties need at least 3 schools and 1,000 students to qualify. The median ranked county is at 44.9%.
| # | County | State | Diversity index |
|---|---|---|---|
| 1 | Providence County | RI | 67.5% |
| 2 | Newport County | RI | 51.0% |
| 3 | Kent County | RI | 44.9% |
| 4 | Bristol County | RI | 41.6% |
| 5 | Washington County | RI | 31.6% |