Cougar Mountain Middle School

Middle school·Grades 6-8 Issaquah, Washington·98027
Score
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No overall score. Washington results are shown as published by OSPI. We are not showing scores for Washington schools until OSPI confirms its licence allows them. How we score schools

Performance (state tests, 2025-26)

% meeting standard on state tests in Washington, all students. Colored bars are green when the school is at or above the average for similar Washington schools.

English language arts
77%
Similar Washington schools ≈ 49%
562 students tested
Math
72%
Similar Washington schools ≈ 38%
561 students tested
Science
79%
Similar Washington schools ≈ 47%
207 students tested
All Washington schools (ELA / math)
51% / 42%
State average across every school type, 2025-26
All 18 published results by grade and test

As published by Office of Superintendent of Public Instruction (OSPI). "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 6AIMhidden (small group)—
English language artsGrade 8AIMhidden (small group)—
English language artsAll gradesAIMhidden (small group)—
English language artsGrade 6SBAC76.6—
English language artsGrade 7SBAC79.5—
English language artsGrade 8SBAC74.5204
English language artsAll gradesSBAC76.9562
MathGrade 6AIMhidden (small group)—
MathGrade 8AIMhidden (small group)—
MathAll gradesAIMhidden (small group)—
MathGrade 6SBAC69.0—
MathGrade 7SBAC76.1201
MathGrade 8SBAC68.8—
MathAll gradesSBAC71.5561
ScienceGrade 8AIMhidden (small group)—
ScienceAll gradesAIMhidden (small group)—
ScienceGrade 8WCAS79.2207
ScienceAll gradesWCAS79.2207

School profile

Grades
6-8
Students
621
Type
Middle school
Charter school
No
Program
Regular

Students

Enrollment
621
Typical middle school: 607
Free or reduced-price lunch
12%
Typical middle school: 52%

District and location

City
King County

Contact

Address
1929 NW Talus Drive
Issaquah, WA 98027

"Typical" is the middle (median) middle school in Washington. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby middle schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Cougar Mountain Middle School at a glance

Cougar Mountain Middle School is a public middle school in Issaquah, Washington, serving grades 6-8. It is part of Issaquah School District. It has about 621 students (a typical Washington middle school has 607). About 12% of students are eligible for free or reduced-price lunch, compared with 52% at a typical Washington middle school, which is useful context when reading test results.

In 2025-26 state tests, 77% in English language arts (similar schools: 49%) and 72% in math (similar schools: 38%) reached the state standard (% meeting standard). Its English language arts result fell by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.