Enrollment
2,106
Washington · 2024-25 NCES data
High school (grades 9-12) · Everett, WA
Mariner High School
Federal NCES profile for Mariner High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530543000818
👥 S:T ratio 20
📚 AP courses 70
🌟 Gifted program 70
🎓 Counselors 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mariner High School earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of Washington schools. It is also one of the largest schools in Washington.
- #8 of 9
- high schools in Everett · Resource Index
- 38
- Resource Index · Typical
- 20.1:1
- large classes for Washington
- 55.8%
- free-lunch eligible
Mariner High School has class sizes larger than 79% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Mariner High School ranks #8 of 9 high schools in Everett, WA.
School address
District: Mukilteo School District · Washington
NCES ID 530543000818 Verify on NCES CCD record →
Teachers (FTE)
105.0
Federal CCD staff survey
Students per teacher
20.1:1
vs 17.6:1 Washington avg
+14% vs state
Free-lunch eligible
55.8%
vs 45.0% Washington avg
+24% vs state
Student-teacher ratio in context
How Mariner High School compares with Washington and U.S. medians
What stands out at Mariner High School
Mariner High School is a higher-need, large high school in Everett, Washington, enrolling 2,106 students.
Class loads run somewhat heavier than typical: 20.1:1 puts it in the larger third of Washington schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 55.8% of students eligible for free meals.
By headcount it is one of the larger campuses in Washington, bigger than 99% of state schools at 2,106 students.
Its Resource Investment Index trails 92% of the 2,394 Washington schools with a score on record, one of the lower results on this measure.
Among 39 similarly sized, similarly resourced-need Washington schools statewide, it ranks #33, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (44%) and White (24%) (diversity index 72/100).
On the academic-pipeline side it reports 14 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 351 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 41.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.
Among Everett's high schools, it stands alongside Cascade High School (1,651 students): Mariner High School is larger than that campus by headcount and runs heavier classes (20.1:1 vs 19.9:1).
Mukilteo School District also operates Kamiak High School (2,384 students) and Voyager Middle School (902 students) alongside Mariner High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mariner High School compares
Mariner High School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.1:1 | ▲ 14% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 55.8% | ▲ 24% | 45.0% | 51.7% |
| Enrollment | 2,106 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.1:1
Leaner classes than 16% of US schools, heavier class loads than most.
2,106
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
55.8%
free-lunch eligible
- 24% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
20.1:1
students per teacher
- 14% above state mean
Top 79% in Washington - lower ratio than 21% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
41.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$19,467
per pupil, district-wide
- below Washington avg of $19,487
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 351 students, the combined health-and-guidance staffing load for this school.
Discipline context
211
in-school suspensions + 146 out-of-school
Suspension rate: 10.0 per 100 students. Combined in-school and out-of-school rate: 17.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 43.6%
White 24.2%
Asian 11.2%
African American 10.5%
Two or More 7.3%
Native Hawaiian / Pacific Islander 3.1%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 43.6% of enrollment.
Student-body diversity index 72.1/100
Simpson diversity index - at 72.1, Mariner High School is more mixed than the Washington school average of 53.3.
Programs
AP courses offered 14
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mukilteo School District, which includes Mariner High School.
$19,467
Per student
0%
vs Washington
Avg $19,487
+17%
vs U.S.
Avg $16,593
Revenue mix
Local 24.4%
State 64.2%
Federal 11.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Mariner High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kamiak High School | Similar size | Lower economic need | Higher S:T ratio |
| Voyager Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Olympic View Middle School | Smaller | Lower economic need | Similar S:T ratio |
| Harbour Pointe Middle School | Smaller | Lower economic need | Lower S:T ratio |
| Explorer Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mariner High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,384
- Students per teacher
- 25.6:1
- Resource Index
- 34/100
- Enrollment
- 902
- Students per teacher
- 19.2:1
- Resource Index
- 45/100
- Enrollment
- 851
- Students per teacher
- 20.3:1
- Resource Index
- 43/100
- Enrollment
- 803
- Students per teacher
- 17.1:1
- Resource Index
- 50/100
- Enrollment
- 777
- Students per teacher
- 16.9:1
- Resource Index
- 47/100
Similar high schools in Everett
6 comparable high schools (grades 9-12) serving the same city.
Cascade High School
Standard public school
1,651 students 19.9:1 students per teacher
Everett High School
Standard public school
1,643 students 20.3:1 students per teacher
Everett Reengagement Academy
Alternative education program
183 students
Sequoia High School
Alternative education program
145 students 6.6:1 students per teacher
Aces High School
Alternative education program
130 students 10:1 students per teacher
Mukilteo Virtual Academy
Standard public school
114 students 8.1:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,106 students)
Similar student-teacher ratio (~20.1:1)
Next steps
Verify locally before acting on Mariner High School's federal record.
- Compare Mariner High School against another school. Compare schools
- Mukilteo School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Mariner High School
How many students attend Mariner High School?
Mariner High School has 2,106 students enrolled. It is a high school in Everett, WA.
What is the student-teacher ratio at Mariner High School?
The student-teacher ratio at Mariner High School is 20.1:1, which is 14% higher than the Washington average of 17.6:1 and 28% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mariner High School?
55.8% of students at Mariner High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Mariner High School?
The largest demographic group at Mariner High School is Hispanic or Latino at 43.6% of enrollment, in Everett, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.1/100.
What is the Resource Investment Index for Mariner High School?
Mariner High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mariner High School rank among high schools in Everett?
By Resource Investment Index, Mariner High School ranks #8 of 9 high schools in Everett, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Everett on the city page.
Is Mariner High School a good school?
Mariner High School earns 38/100 on the Resource Investment Index, with class sizes larger than 79% of Washington schools. It is also one of the largest schools in Washington. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Mukilteo School District?
Besides Mariner High School, Mukilteo School District also operates Kamiak High School (2,384 students), Voyager Middle School (902 students), and Olympic View Middle School (851 students). See the Mukilteo School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.