Echo Lake Elementary School 19345 Wallingford Ave N, Shoreline, WA98133 Echo Lake Elementary School located in the Echo Lake neighborhood in north Shoreline. It has an active Parent Teacher…More Association and partners with the Dale Turner Family YMCA to provide after school classes in subjects such as art, cooking and languages. There is a before- and after-school child care program on the campus that consists mostly of Echo Lake students. It is the second-most racially diverse school in the district. Mary Koontz and Paul Shanahan share the principal duties.