- Enrollment
- 963
- Students per teacher
- 11.7:1
- Resource Index
- 56/100
High school (grades 9-12) · Arlington, MA
Arlington High
Federal NCES profile for Arlington High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 250198000053
👥 S:T ratio 42
🌟 Gifted program 30
🎓 Counselors 48
📋 Attendance 58
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arlington High earns 44/100 on the Resource Investment Index, with class sizes larger than 84% of Massachusetts schools. It is also one of the largest schools in Massachusetts.
- #8 of 11
- public schools in Arlington · Resource Index
- 44
- Resource Index · Typical
- 14.6:1
- large classes for Massachusetts
- 1,677
- students enrolled
Arlington High has class sizes larger than 84% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Arlington High ranks #8 of 11 public schools in Arlington, MA.
School address
District: Arlington · Massachusetts
NCES ID 250198000053 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+82 students YoY
Arlington High grew from 1,527 students in 2022-23 to 1,609 in 2023-24 (+5.4%).
Teacher FTE added 115.9 → 123.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+82 students YoY 250198000053 · Arlington, MA High · MID · TRAD
1,677 enr · 14.6:1 · RII 44
Nearest enrollment peer: Ottoson Middle (963 students)
Arlington High grew from 1,527 students in 2022-23 to 1,609 in 2023-24 (+5.4%). Teacher FTE added 115.9 → 123.0 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Arlington High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Arlington High
1,677 students
- Ottoson Middle
Ottoson Middle
963 students
- Thompson 537
Thompson
537 students
- Gibbs School 529
Gibbs School
529 students
- M Norcross Str 448
M Norcross Stratton
448 students
- Brackett 394
Brackett
394 students
What this shows Arlington High reports 1,677 students on the CCD universe file.
How Arlington High compares
Arlington High is a growing campus on CCD: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.6:1 | ▲ 19% | 12.3:1 | 15.7:1 |
| Enrollment | 1,677 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.6:1
Leaner classes than 51% of US schools, a middle-of-the-pack class size.
1,677
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
14.6:1
students per teacher
- 19% above state mean
Top 84% in Massachusetts - lower ratio than 16% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.7%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,753
per pupil, district-wide
- below Massachusetts avg of $23,695
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.4 FTE
Per 262 students, the combined health-and-guidance staffing load for this school.
Discipline context
10
in-school suspensions + 11 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 1.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 11 expulsions.
Student demographics
White 70.2%
Asian 10.1%
Hispanic or Latino 9.1%
Two or More 6.7%
African American 3.5%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
Largest group: White at 70.2% of enrollment.
Student-body diversity index 48.3/100
Simpson diversity index - at 48.3, Arlington High is about as mixed as the Massachusetts school average of 47.3.
Programs
AP courses offered 22
District finance for Arlington reports $20,753 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Arlington High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ottoson Middle | Smaller | No free-lunch data | Lower S:T ratio |
| Thompson | Smaller | No free-lunch data | Similar S:T ratio |
| Gibbs School | Smaller | No free-lunch data | Similar S:T ratio |
| M Norcross Stratton | Smaller | No free-lunch data | Lower S:T ratio |
| Brackett | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Arlington High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 537
- Students per teacher
- 13.8:1
- Resource Index
- 48/100
- Enrollment
- 529
- Students per teacher
- 13.2:1
- Resource Index
- 56/100
- Enrollment
- 448
- Students per teacher
- 12.4:1
- Resource Index
- 50/100
- Enrollment
- 394
- Students per teacher
- 11.9:1
- Resource Index
- 44/100
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 (~1,677 students)
Frequently asked questions about Arlington High
How many students attend Arlington High?
Arlington High has 1,677 students enrolled. It is a high school in Arlington, MA. CCD year-over-year: 1,527 (2022-23) → 1,609 (2023-24), up 82.
What is the student-teacher ratio at Arlington High?
The student-teacher ratio at Arlington High is 14.6:1, which is 19% higher than the Massachusetts average of 12.3:1 and 7% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Arlington High?
The largest demographic group at Arlington High is White at 70.2% of enrollment, in Arlington, MA.
What is the Resource Investment Index for Arlington High?
Arlington High 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 rank among public schools in Arlington?
By Resource Investment Index, Arlington High ranks #8 of 11 public schools in Arlington, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Arlington on the city page.
What other schools are in Arlington?
Besides Arlington High, Arlington also operates Ottoson Middle (963 students), Thompson (537 students), and Gibbs School (529 students). See the Arlington district page for the complete list.