Enrollment
735
Washington · 2024-25 NCES data
High school (grades 9-12) · Belfair, WA
North Mason Senior High School
Federal NCES profile for North Mason Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530579000859
👥 S:T ratio 18
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 51
📋 Attendance 81
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
North Mason Senior High School earns 46/100 on the Resource Investment Index, with class sizes larger than 81% of Washington schools.
- #2 of 7
- public schools in Belfair · Resource Index
- 46
- Resource Index · Typical
- 20.4:1
- large classes for Washington
- 35.6%
- free-lunch eligible
North Mason Senior High School has class sizes larger than 81% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, North Mason Senior High School ranks #2 of 7 public schools in Belfair, WA.
School address
District: North Mason School District · Washington
NCES ID 530579000859 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
20.4:1
vs 17.6:1 Washington avg
+16% vs state
Free-lunch eligible
35.6%
vs 45.0% Washington avg
-21% vs state
Student-teacher ratio in context
How North Mason Senior High School compares with Washington and U.S. medians
What stands out at North Mason Senior High School
North Mason Senior High School is a large high school in Belfair, Washington, enrolling 735 students.
Class loads run somewhat heavier than typical: 20.4:1 puts it in the larger third of Washington schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 35.6% of students eligible for free meals.
Enrollment of 735 puts it in the larger third of Washington schools by headcount.
Its Resource Investment Index lands in the upper third of 2,394 scored Washington schools.
Among 353 similarly sized, similarly resourced-need Washington schools statewide, it ranks #17, a top-tier result once campus size and economic need are matched.
Its student body is led by White (59%) and Hispanic or Latino (30%) (diversity index 56/100).
On the academic-pipeline side it reports 2 Advanced Placement courses.
Counselor coverage is strong, about 245 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 7.5% of students were chronically absent, below the typical post-pandemic national figure.
Its district draws 15.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 83 expulsions at this campus for 2021-22.
Among Belfair's high schools, it stands alongside James a. Taylor High School (61 students): North Mason Senior High School is larger than that campus by headcount and runs leaner classes (20.4:1 vs 30.5:1).
North Mason School District also operates Sand Hill Elementary (537 students) and Hawkins Middle School (485 students) alongside North Mason Senior 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 North Mason Senior High School compares
North Mason Senior 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 | 20.4:1 | ▲ 16% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 35.6% | ▼ 21% | 45.0% | 51.7% |
| Enrollment | 735 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.4:1
Leaner classes than 15% of US schools, heavier class loads than most.
735
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
35.6%
free-lunch eligible
- 21% below the Washington average of 45.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.4:1
students per teacher
- 16% above state mean
Top 81% in Washington - lower ratio than 19% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
7.5%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$15,894
per pupil, district-wide
- below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.0 FTE
Per 245 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 39 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 6.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 83 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
White 59.3%
Hispanic or Latino 29.5%
Two or More 6.4%
Asian 1.8%
American Indian / Alaska Native 1.4%
African American 0.8%
Native Hawaiian / Pacific Islander 0.8%
Largest group: White at 59.3% of enrollment.
Student-body diversity index 55.7/100
Simpson diversity index - at 55.7, North Mason Senior High School is more mixed than the Washington school average of 53.3.
Programs
AP courses offered 2
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for North Mason School District, which includes North Mason Senior High School.
$15,894
Per student
-18%
vs Washington
Avg $19,487
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 13.5%
State 70.8%
Federal 15.7%
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 North Mason Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sand Hill Elementary | Smaller | Higher economic need | Lower S:T ratio |
| Hawkins Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Belfair Elementary | Smaller | Similar economic need | Lower S:T ratio |
| North Mason Homelink Program | Smaller | Higher economic need | Lower S:T ratio |
| James a. Taylor High School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to North Mason Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 537
- Students per teacher
- 14.5:1
- Resource Index
- 44/100
- Enrollment
- 485
- Students per teacher
- 18:1
- Resource Index
- 45/100
- Enrollment
- 392
- Students per teacher
- 13.1:1
- Resource Index
- 45/100
- Enrollment
- 73
- Students per teacher
- 14.6:1
- Resource Index
- 58/100
- Enrollment
- 61
- Students per teacher
- 30.5:1
- Resource Index
- 25/100
Similar high schools in Belfair
1 comparable high schools (grades 9-12) serving the same city.
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 (~735 students)
Similar student-teacher ratio (~20.4:1)
Next steps
Verify locally before acting on North Mason Senior High School's federal record.
- Compare North Mason Senior High School against another school. Compare schools
- North Mason 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 North Mason Senior High School
How many students attend North Mason Senior High School?
North Mason Senior High School has 735 students enrolled. It is a high school in Belfair, WA.
What is the student-teacher ratio at North Mason Senior High School?
The student-teacher ratio at North Mason Senior High School is 20.4:1, which is 16% higher than the Washington average of 17.6:1 and 30% higher than the national average of 15.7:1.
What percentage of students receive free lunch at North Mason Senior High School?
35.6% of students at North Mason Senior High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of North Mason Senior High School?
The largest demographic group at North Mason Senior High School is White at 59.3% of enrollment, in Belfair, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.7/100.
What is the Resource Investment Index for North Mason Senior High School?
North Mason Senior High School has a Resource Investment Index of 46/100 (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 North Mason Senior High School rank among public schools in Belfair?
By Resource Investment Index, North Mason Senior High School ranks #2 of 7 public schools in Belfair, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Belfair on the city page.
Is North Mason Senior High School a good school?
North Mason Senior High School earns 46/100 on the Resource Investment Index, with class sizes larger than 81% of Washington schools. 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 North Mason School District?
Besides North Mason Senior High School, North Mason School District also operates Sand Hill Elementary (537 students), Hawkins Middle School (485 students), and Belfair Elementary (392 students). See the North Mason 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.