Mariner High School is a public high school located in unincorporated Snohomish County, Washington, United States, just south of Everett. It opened on September 8, 1970, as the only high school serving the Mukilteo School District; it held this title until Kamiak High School opened in 1993.
Serving 2,106 students in grades 9-12, Mariner High School ranks in the bottom 50% of all schools in Washington for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 27% (which is lower than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 60% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 21:1 is higher than the Washington state level of 17:1.
Minority enrollment is 76% of the student body (majority Hispanic), which is higher than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,106 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 76%
- Graduation Rate: 83% (Top 50% in WA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 27% (Btm 50%)
- Reading Proficiency: 60% (Top 50%)
- Science Proficiency: 46% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
Mariner High School ranks among the top 20% of public schools in Washington for:
Category
Attribute
Diversity
School Overview
Mariner High School's student population of 2,106 students has declined by 12% over five school years.
The teacher population of 101 teachers has declined by 12% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
2,106 students
Total Classroom Teachers
101 teachers
Year Founded
1970
Colors
Navy Blue, Gold, Silver
School Rankings
Mariner High School ranks within the bottom 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Mariner High School is 0.73, which is more than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1095 out of 2088 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
27%
41%
Reading/Language Arts Test Scores (% Proficient)
60%
53%
Science Test Scores (% Proficient)
46%
49%
Student-Teacher Ratio
21:1
17:1
American Indian
n/a
1%
Asian
11%
9%
Hispanic
44%
27%
Black
11%
5%
White
24%
47%
Hawaiian
3%
2%
Two or more races
7%
9%
All Ethnic Groups
Graduation Rate
83%
84%
Eligible for Free Lunch
52%
39%
Eligible for Reduced Lunch
11%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Orca
Frequently Asked Questions
What is Mariner High School's ranking?
Mariner High School is ranked #1095 out of 2,088 schools, which ranks it among the bottom 50% of public schools in Washington.
What schools are Mariner High School often compared to?
Mariner High Schoolis often viewed alongside schools like Kamiak High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
27% of students have achieved math proficiency (compared to the 41% WA state average), while 60% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Mariner High School?
The graduation rate of Mariner High School is 83%, which is lower than the Washington state average of 84%.
How many students attend Mariner High School?
2,106 students attend Mariner High School.
What is the racial composition of the student body?
44% of Mariner High School students are Hispanic, 24% of students are White, 11% of students are Asian, 11% of students are Black, 7% of students are Two or more races, and 3% of students are Hawaiian.
What is the student-teacher ratio of Mariner High School?
Mariner High School has a student ration of 21:1, which is higher than the Washington state average of 17:1.
What grades does Mariner High School offer ?
Mariner High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Mariner High School part of?
Mariner High School is part of Mukilteo School District.
School Reviews
5 10/10/2025
Mariner High School is a fantastic school. It has many academic programs to help the students and keep them interested. The music and art and sports programs are excellent. The level of parent involvement is swell I suppose.
5 10/10/2025
This school is great the sports are one of the best ive seen but the music and art is amazing.
Review Mariner High School. Reviews should be a few sentences in length. Please include any comments on:
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