Lakeridge Elementary School
PublicElementaryGrades K–5
8215 SE 78th, Mercer Island, WA 98040 · (206) 236-3415 · Part of Mercer Island School District
Mercer Island’s School Grade A+ better than 100% of Washington school districts
Students
401
Students per teacher
17:1
Free or reduced lunch
3%
Setting
Suburb
Grades
K–5
What stands out about Lakeridge Elementary School
- No state test results published for this school
- Next stop for Mercer Island kids: Islander Middle School
On the path
Where Mercer Island kids come from and go next. The whole path →
K–5Lakeridge Elementary SchoolYou are here
6–8Islander Middle School960 students
Location
Directions ↗8215 SE 78th, Mercer Island
Students
Enrollment by grade
Kindergarten45
Grade 143
Grade 256
Grade 385
Grade 492
Grade 580
Enrollment over time
404’20
370’21
397’22
403’23
401’24
About steady since 2020–21.
Who goes here
White 44%Asian 30%Two or more races 21%Hispanic 5%Black <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Lakeridge Elementary School from Mercer Island families.
Other schools in Mercer Island School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Map: © OpenStreetMap contributors.