Lakeridge Elementary School

Grades K–5 Public District: Mercer Island School District

8215 SE 78th, Mercer Island, WA 98040 Map

Math (met standard)
88%
+40 state 49% · 2025-26
English (met standard)
91%
+40 state 51% · 2025-26
Science (met standard)
94%
+39 state 55% · 2025-26
Low income
3%
free or reduced-price lunch
Students
401
2024-25
Students per teacher
17.1
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 3 95% state 53% · 2025-26 95% state 49% · 2025-26 —
Grade 4 86% state 50% · 2025-26 89% state 50% · 2025-26 —
Grade 5 84% state 43% · 2025-26 90% state 54% · 2025-26 94% state 55% · 2025-26
All grades 88% state 49% · 2025-26 91% state 51% · 2025-26 94% state 55% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 88% state 49% 91% state 51% 94% state 55%
2024-25 88% state 48% 89% state 51% 87% state 53%
2023-24 85% state 48% 92% state 51% 96% state 57%
2022-23 87% state 48% 88% state 51% 83% state 52%
2021-22 85% state 46% 88% state 51% 85% state 52%
2018-19 87% state 54% 89% state 58% 90% state 54%
2017-18 89% state 54% 91% state 58% 90% state 56%
2016-17 84% state 54% 90% state 56% —
2015-16 82% state 55% 87% state 58% —
2014-15 86% state 54% 87% state 56% —

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Island Park Elementary
Grades K–5 · Mercer Island School District
1.5 mi
84%
+35 vs state
89%
+38 vs state
88%
+33 vs state
Average of math, English and science: 88% in 2022-23 → 87% in 2025-26 2% 364 White 56%
Kennydale Elementary School
Grades K–5 · Renton School District
1.8 mi
58%
+9 vs state
57%
+6 vs state
65%
+10 vs state
Average of math, English and science: 62% in 2022-23 → 60% in 2025-26 39% 511 Hispanic 34%
Emerson Elementary School
Grades PK–5 · Seattle School District No. 1
1.9 mi
21%
−28 vs state
22%
−29 vs state
22%
−33 vs state
4% Average of math, English and science: 18% in 2022-23 → 22% in 2025-26 74% 398 Black 45%
Graham Hill Elementary School
Grades PK–5 · Seattle School District No. 1
2.1 mi
39%
−10 vs state
43%
−8 vs state
41%
−14 vs state
3% Average of math, English and science: 38% in 2022-23 → 41% in 2025-26 47% 266 White 27%
South Shore PK-8 School
Grades PK–8 · Seattle School District No. 1
2.1 mi
34%
−11 vs state
42%
−9 vs state
32%
−20 vs state
Average of math, English and science: 37% in 2022-23 → 36% in 2025-26 64% 546 Black 45%
Hazelwood Elementary School
Grades K–5 · Renton School District
2.1 mi
81%
+32 vs state
75%
+24 vs state
83%
+29 vs state
13% Average of math, English and science: 67% in 2022-23 → 80% in 2025-26 20% 478 White 42%
Dunlap Elementary School
Grades PK–5 · Seattle School District No. 1
2.2 mi
23%
−26 vs state
30%
−21 vs state
37%
−18 vs state
7% Average of math, English and science: 37% in 2022-23 → 30% in 2025-26 77% 261 Black 29%
Lakeridge Elementary School
Grades K–5 · Renton School District
2.3 mi
31%
−18 vs state
30%
−21 vs state
24%
−31 vs state
Average of math, English and science: 27% in 2022-23 → 28% in 2025-26 63% 287 Black 34%
Martin Luther King Jr. Elementary School
Grades PK–5 · Seattle School District No. 1
2.3 mi
30%
−19 vs state
31%
−20 vs state
38%
−17 vs state
4% Average of math, English and science: 37% in 2022-23 → 33% in 2025-26 73% 289 Black 49%
Bryn Mawr Elementary School
Grades K–5 · Renton School District
2.4 mi
34%
−15 vs state
33%
−18 vs state
33%
−21 vs state
Average of math, English and science: 34% in 2022-23 → 33% in 2025-26 62% 415 Hispanic 34%