| Business | Phone |
| New Heights School 4030 86th Ave Se F, Mercer Island 98040 | (206) 232-8680 |
| Kumon Math Ctr 3801 E Mercer Way, Mercer Island 98040 | (206) 236-1815 |
| Lakeridge Elementary School 8215 Se 78th St, Mercer Island 98040 | (206) 236-3415 |
| Mercer Island High School Mercer Island 98040 | (206) 236-3354 |
| Mercer Island School District 4160 86th Ave Se, Mercer Island 98040 | (206) 236-3300 |
| Mercer Island Senior High Schl 9100 Se 42nd St, Mercer Island 98040 | (206) 236-3345 |
| Northwest Montessori School Mercer Island 98040 | (206) 232-4595 |
| Northwest Yeshiva High School 5017 90th Ave Se, Mercer Island 98040 | (206) 232-5272 |
| Saga Goryu Ikebana School 7660 Se 40th St, Mercer Island 98040 | (206) 232-8736 |
| St Monica's School 4320 87th Ave Se, Mercer Island 98040 | (206) 232-5432 |
| West Mercer Elementary School 4141 81st Ave Se, Mercer Island 98040 | (206) 236-3430 |