| Address: | 1010 Sandy Beach Road |
| City: | Thorne Bay |
| State: | Alaska |
| Zipcode: | 99919 |
| Country: | United States |
| Type: | Public |
| Grades: | PreK–12 |
| Students: | 153 |
| Teachers: | 16.23 |
| Staff: | 33.07 |
| Ratio: | 9.43 |
Southeast Island School District (SISD) is a school district headquartered in Thorne Bay, Alaska.[1]