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Mariner High School

PublicRegularGrades 9–12
Everett, Washington · Mukilteo School District
SCHOOL SNAPSHOT
Students2,100
Student:Teacher20.4:1
Free/Reduced Lunch66%
Title INo
Mariner
OverviewEnrollmentDemographicsPerformanceAttendanceOutcomesBehaviourWorkforceFinanceInclusionProgramsDistrictTrendsSimilarNearbyCalendarParent InfoNeighbourhood
State accountability — WA WSIF · 2025
WA WSIF 2025: Foundational
proficiency ela decile7
proficiency math decile3
proficiency combined decile5
grad combined decile4
el progress decile3
Math Proficient
2025
N/A
US avg ~36%
English / ELA Proficient
2025
N/A
US avg ~46%
Math Advanced
2025
N/A
ELA Advanced
2025
N/A
Science Proficient
2025
N/A
Students Tested (Math)
2025
N/A
State Rating
2025
N/A
Foundational
Years of Test Data
1
2025–2025
Math proficiency trend ↓

Math proficiency over time

35.0%35.5%36.0%36.5%37.0%2025Mariner High SchoolUS avg 36%

Proficiency rates averaged across tested grades. Ratings sourced from state DOE accountability systems (CA Dashboard, TX TEA A-F, FL School Grades, NY ESSA, IL Report Card, WA OSPI).

Advanced courses (CRDC 2017-18)

Course enrolments reported to the US Department of Education Civil Rights Data Collection.

Geometry
524
Algebra II
447
Advanced Math
97
Calculus
47
Biology
577
Chemistry
258
Physics
88