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District  > Washington State  > Office of Superintendent of Public Instruction  > Mercer Island School District
Mercer Island School District District Web Site
  Superintendent Donna Colosky
206.236.3300    (more info)
  4160 86TH AVE SE MERCER ISLAND 98040-4196
Puget Sound Educational Service District 121
Note: This school/district participated in the Smarter Balanced Field Test in 2013-2014. Any data shown for 2013-14 in reading, writing, and math in grades 3-8 only reflect students tested on the MSP. At a district level, the data reported here may reflect results for only some of the schools in the district rather than the entire district.
Select a year:

2013-14 Results (Administration Info)
Grade LevelReadingMathWritingScience
5th Grade    89.2%
8th Grade    89.5%
10th Grade 93.8%See EOC below94.1%See EOC below
Grade Level *EOC Math Year 1EOC Math Year 2
10th Grade 94.4%Suppressed
Grade Level *EOC Biology
10th Grade 94.3%

* End of Course (EOC) Biology is administered in any grade in which the course is offered. Prior to 2015, EOC Math exams were given in any grade in which the course is offered and served as the state’s accountability test in mathematics. As of 2015, EOC Math tests are taken only for the purpose of meeting assessment graduation requirements by students in the classes of 2018 and prior.

** The "Makeup" exam was given to students who had already completed the Year 1 or Year 2 coursework. It was not a "retake".

Student Demographics
October 2013 Student Count4,337
May 2014 Student Count4,357
Gender (October 2013)
Race/Ethnicity (October 2013)
Hispanic / Latino of any race(s)1673.9%
American Indian / Alaskan Native120.3%
Black / African American611.4%
Native Hawaiian / Other Pacific Islander110.3%
Two or More Races2515.8%
Special Programs
Free or Reduced-Price Meals (May 2014)1603.7%
Special Education (May 2014)47410.9%
Transitional Bilingual (May 2014)811.9%
Migrant (May 2014)00.0%
Section 504 (May 2014)44110.1%
Foster Care (May 2014)N<10
Other Information (more info)
Unexcused Absence Rate (2013-14)930.0%
Adjusted 4-Year Cohort Graduation Rate (Class of 2013)93.0%
Adjusted 5-year Cohort Graduation Rate (Class of 2012)95.4%
College/University enrollment rates of graduates
Information on Homeless Students may be found here

Teacher Information (2013-14)  (more info)
Classroom Teachers236
Average Years of Teacher Experience12.4
Teachers with at least a Master's Degree71.2%
Total number of teachers who teach core academic classes240
% of teachers teaching with an emergency certificate0.4%
% of teachers teaching with a conditional certificate0.0%
Total number of core academic classes1,117
ESEA Highly Qualified Teacher Information
% of classes taught by teachers meeting ESEA highly qualified (HQ) definition98.6%
   % of classes taught by teachers who do not meet ESEA HQ definition1.4%
% of classes in high poverty schools taught by teachers who meet ESEA HQ definition96.1%
   % of classes in high poverty schools taught by teachers who do not meet ESEA HQ definition3.9%
% of classes in low poverty schools taught by teachers who meet ESEA HQ definition100.0%
   % of classes in low poverty schools taught by teachers who do not meet ESEA HQ definition0.0%