| Rank | Water Area ▼ | School District / Population |
| 1. | 100.43 sq mi | New Shoreham School District / 893 |
| 2. | 45.05 sq mi | Westerly School District / 22,727 |
| 3. | 36.35 sq mi | Portsmouth School District / 17,352 |
| 4. | 25.87 sq mi | Jamestown School District / 5,444 |
| 5. | 24.62 sq mi | Chariho Regional School District / 23,580 |
| 6. | 23.88 sq mi | Narragansett School District / 15,786 |
| 7. | 23.31 sq mi | South Kingstown School District / 30,546 |
| 8. | 15.31 sq mi | North Kingstown School District / 26,404 |
| 9. | 14.76 sq mi | Warwick School District / 82,065 |
| 10. | 13.37 sq mi | Bristol-Warren Regional School District / 33,048 |
| 11. | 8.28 sq mi | Little Compton School District / 3,491 |
| 12. | 7.28 sq mi | Tiverton School District / 15,805 |
| 13. | 7.22 sq mi | Barrington School District / 16,290 |
| 14. | 6.61 sq mi | Scituate School District / 10,414 |
| 15. | 3.76 sq mi | Foster-Glocester Regional School District / 14,486 |
| 16. | 3.72 sq mi | Newport School District / 24,599 |
| 17. | 3.35 sq mi | Coventry School District / 34,992 |
| 18. | 3.31 sq mi | East Providence School District / 47,166 |
| 19. | 2.66 sq mi | Glocester Elementary School District / 9,844 |
| 20. | 2.17 sq mi | Providence School District / 178,562 |
| 21. | 2.09 sq mi | Burrillville School District / 16,108 |
| 22. | 2.08 sq mi | Middletown School District / 16,081 |
| 23. | 1.93 sq mi | Exeter-West Greenwich Regional School District / 12,791 |
| 24. | 1.81 sq mi | Cumberland School District / 33,930 |
| 25. | 1.60 sq mi | Cranston School District / 80,680 |
| 26. | 1.46 sq mi | Smithfield School District / 21,478 |
| 27. | 1.10 sq mi | Foster Elementary School District / 4,642 |
| 28. | 0.94 sq mi | North Smithfield School District / 12,106 |
| 29. | 0.88 sq mi | Johnston School District / 28,987 |
| 30. | 0.83 sq mi | Lincoln School District / 21,300 |
| 31. | 0.29 sq mi | Pawtucket School District / 71,313 |
| 32. | 0.25 sq mi | East Greenwich School District / 13,118 |
| 33. | 0.23 sq mi | West Warwick School District / 28,960 |
| 34. | 0.19 sq mi | Woonsocket School District / 41,136 |
| 35. | 0.13 sq mi | North Providence School District / 32,208 |
| 36. | 0.08 sq mi | Central Falls School District / 19,406 |
Please note that we only rank locations with 'Water Area' data. The rank above might not be a complete list. Locations without 'Water Area' data are not listed.
