Mariner High School

Located at 200 120th Street SW, in Everett, Washington, Mariner High School is a substantial senior high that hosts 2,106 students (grades 9 through 12), run under Mukilteo School District. Compared to the state average of about 573 students per school, that is 268% larger than typical.

Mukilteo School District runs 23 schools in total, collectively educating 15,175 students. Mariner High School is one of those campuses.

Looking at the student body, Mariner High School reports that the largest single group is Hispanic at 43%, but no single group is in the majority; the rest breaks down as 24% White, 11% Asian, 10% Black, 7% multiracial. That is meaningfully more Hispanic than the county at large, where the share is closer to 12%.

Looking at the economic backdrop, Staff filings list 101 full-time-equivalent teachers, which works out to roughly 20.9:1 students per teacher. That tracks the state average closely. Around 62% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. That share is north of Snohomish County's rate of about 41%.

With demographic context factored in, Mariner High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 38.3%, the actual is 40.5%, a residual of +2.2 points.

In the surrounding community, the surrounding county (Snohomish County) shows that the typical household earns roughly $111,246 per year, roughly 38% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. Mariner High School is one of 227 public schools in Snohomish County (combined enrollment of about 118,688 students).

Discovery Elementary is the nearest neighboring public school, about 0.3 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Mariner High School at 2nd of 7; the average score across the group is 37.8%.

Geographically, the school is in a residential area.

Over the past 7-year window. Over the past 7-year window, the student count edged down 7%: 2,255 students in 2018 compared to 2,106 in 2025. White enrollment moved from 31% to 24% across the same window.

Within the allk12 community for this school, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.