Grade Trends

Mercer Island School District

6 public schools · Mercer Island, WA

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
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%
Islander Middle School
Grades 6–8 · Mercer Island School District
79%
+39 vs state
84%
+33 vs state
76%
+27 vs state
4% Average of math, English and science: 76% in 2022-23 → 80% in 2025-26 8% 960 White 46%
Lakeridge Elementary School
Grades K–5 · Mercer Island School District
88%
+40 vs state
91%
+40 vs state
94%
+39 vs state
5% Average of math, English and science: 86% in 2022-23 → 91% in 2025-26 3% 401 White 44%
Mercer Island High School
Grades 9–12 · Mercer Island School District
80%
+44 vs state
93%
+28 vs state
89%
+40 vs state
Average of math, English and science: 87% in 2022-23 → 87% in 2025-26 7% 1,439 White 52%
Northwood Elementary School
Grades PK–5 · Mercer Island School District
75%
+26 vs state
73%
+22 vs state
85%
+30 vs state
Average of math, English and science: 76% in 2022-23 → 78% in 2025-26 10% 398 White 46%
West Mercer Elementary
Grades K–5 · Mercer Island School District
87%
+38 vs state
86%
+35 vs state
93%
+39 vs state
3% Average of math, English and science: 86% in 2022-23 → 89% in 2025-26 8% 431 White 42%

Overall change: average of the three subjects, latest year vs. 3 years earlier (↑4% means the average rate went up 4 points, e.g. 82% → 86%; — means within ±2%). Low income = eligible for free or reduced-price lunch.