- Enrollment
- 665
- Students per teacher
- 15.8:1
- Resource Index
- 33/100
High school (grades 9-12) · Arlington, WA
Arlington High School
Federal NCES profile for Arlington High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530024000023
👥 S:T ratio 16
🌟 Gifted program 70
🎓 Counselors 34
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arlington High School earns 44/100 on the Resource Investment Index, with class sizes larger than 83% of Washington schools. It is also one of the largest schools in Washington.
- #2 of 4
- high schools in Arlington · Resource Index
- 44
- Resource Index · Typical
- 20.9:1
- large classes for Washington
- 28.9%
- free-lunch eligible
Arlington High School has class sizes larger than 83% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Arlington High School ranks #2 of 4 high schools in Arlington, WA.
School address
District: Arlington School District · Washington
NCES ID 530024000023 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-39 students YoY
Arlington High School held near 1,622 students from 2022-23 to 2023-24 (-39 headcount).
Teacher FTE lost 79.2 → 73.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-39 students YoY 530024000023 · Arlington, WA High · MID · TRAD
1,650 enr · 20.9:1 · 28.9% lunch · RII 44
Nearest enrollment peer: Eagle Creek Elementary (665 students)
Arlington High School held near 1,622 students from 2022-23 to 2023-24 (-39 headcount). Teacher FTE lost 79.2 → 73.5 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Arlington High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Arlington High School
1,650 students
- Eagle Creek El
Eagle Creek Elementary
665 students
- Post Middle Sc 645
Post Middle School
645 students
- Kent Prairie E 621
Kent Prairie Elementary
621 students
- Presidents Ele 578
Presidents Elementary
578 students
- Haller Middle 576
Haller Middle School
576 students
What this shows Arlington High School reports 1,650 students on the CCD universe file.
How Arlington High School compares
Arlington High School held steady on CCD headcount: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.9:1 | ▲ 19% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 28.9% | ▼ 36% | 45.0% | 51.7% |
| Enrollment | 1,650 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.9:1
Leaner classes than 13% of US schools, heavier class loads than most.
1,650
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
28.9%
free-lunch eligible
- 36% 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
20.9:1
students per teacher
- 19% above state mean
Top 83% in Washington - lower ratio than 17% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
17.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,022
per pupil, district-wide
- below Washington avg of $20,912
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors5.0 FTE
Per 330 students, the combined health-and-guidance staffing load for this school.
Discipline context
70
in-school suspensions + 27 out-of-school
Suspension rate: 4.2 per 100 students. Combined in-school and out-of-school rate: 5.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 26 expulsions.
Student demographics
White 67.4%
Hispanic or Latino 19.9%
Two or More 7.8%
Asian 1.9%
African American 1.6%
American Indian / Alaska Native 1.0%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 67.4% of enrollment.
Student-body diversity index 49.9/100
Simpson diversity index - at 49.9, Arlington High School is less mixed than the Washington school average of 53.3.
Programs
AP courses offered 26
Gifted & talented Yes
District finance for Arlington School District reports $17,022 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Arlington High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eagle Creek Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Post Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Kent Prairie Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Presidents Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Haller Middle School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Arlington High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 645
- Students per teacher
- 20.2:1
- Resource Index
- 40/100
- Enrollment
- 621
- Students per teacher
- 15.5:1
- Resource Index
- 32/100
- Enrollment
- 578
- Students per teacher
- 16.1:1
- Resource Index
- 33/100
- Enrollment
- 576
- Students per teacher
- 21.3:1
- Resource Index
- 40/100
Similar high schools in Arlington
4 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,650 students)
Similar student-teacher ratio (~20.9:1)
Frequently asked questions about Arlington High School
How many students attend Arlington High School?
Arlington High School has 1,650 students enrolled. It is a high school in Arlington, WA. CCD year-over-year: 1,661 (2022-23) → 1,622 (2023-24), nearly flat (-39).
What is the student-teacher ratio at Arlington High School?
The student-teacher ratio at Arlington High School is 20.9:1, which is 19% higher than the Washington average of 17.6:1 and 33% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Arlington High School?
28.9% of students at Arlington High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Arlington High School?
The largest demographic group at Arlington High School is White at 67.4% of enrollment, in Arlington, WA.
What is the Resource Investment Index for Arlington High School?
Arlington High School has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Arlington High School rank among high schools in Arlington?
By Resource Investment Index, Arlington High School ranks #2 of 4 high schools in Arlington, 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 Arlington on the city page.
What other schools are in Arlington School District?
Besides Arlington High School, Arlington School District also operates Eagle Creek Elementary (665 students), Post Middle School (645 students), and Kent Prairie Elementary (621 students). See the Arlington School District district page for the complete list.