Enrollment
543
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Lawrence, MA
Arlington Middle School
Federal NCES profile for Arlington Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250666001945
👥 S:T ratio 54
🌟 Gifted program 30
📋 Attendance 7
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arlington Middle School earns 30/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also less racially and ethnically mixed than most Massachusetts schools.
- #8 of 14
- elementary schools in Lawrence · Resource Index
- 30
- Resource Index · Lower
- 11.6:1
- students per teacher
- 543
- students enrolled
Arlington Middle School has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Arlington Middle School ranks #8 of 14 elementary schools in Lawrence, MA.
School address
District: Lawrence · Massachusetts
NCES ID 250666001945 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 12.3:1 Massachusetts avg
-6% vs state
Student-teacher ratio in context
How Arlington Middle School compares with Massachusetts and U.S. medians
What stands out at Arlington Middle School
Arlington Middle School is a mid-sized elementary school in Lawrence, Massachusetts, enrolling 543 students.
At 11.6:1, its student-teacher ratio sits close to the Massachusetts median, within a few percentage points of the 12.3:1 state norm, neither notably crowded nor notably small.
Enrollment of 543 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index trails 92% of the 1,831 Massachusetts schools with a score on record, one of the lower results on this measure.
Its student body is predominantly Hispanic or Latino (97% of enrollment), among the less diverse in the state (diversity index 5/100).
Chronic absenteeism is elevated: 37.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Lawrence's elementary schools, it stands alongside South Lawrence East Elementary School (666 students): Arlington Middle School is smaller than that campus by headcount and runs leaner classes (11.6:1 vs 13.1:1).
Lawrence also operates Lawrence High School (3,453 students) and South Lawrence East Elementary School (666 students) alongside Arlington Middle 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 Arlington Middle School compares
Arlington Middle School on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.6:1 | ▼ 6% | 12.3:1 | 15.7:1 |
| Enrollment | 543 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
543
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.6:1
students per teacher
- 6% below state mean
Top 45% in Massachusetts - lower ratio than 55% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
37.2%
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
$20,985
per pupil, district-wide
- below Massachusetts avg of $22,458
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
14
in-school suspensions + 28 out-of-school
Suspension rate: 2.6 per 100 students. Combined in-school and out-of-school rate: 7.7 per 100 students. Reported via the Civil Rights Data Collection.
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 97.4%
White 1.7%
Two or More 0.6%
African American 0.2%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 97.4% of enrollment.
Student-body diversity index 5.1/100
Simpson diversity index - at 5.1, Arlington Middle School is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Lawrence, which includes Arlington Middle School.
$20,985
Per student
-7%
vs Massachusetts
Avg $22,458
+26%
vs U.S.
Avg $16,593
Revenue mix
Local 1.7%
State 86.0%
Federal 12.3%
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 Arlington Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lawrence High School | Larger | No free-lunch data | Higher S:T ratio |
| South Lawrence East Elementary School | Similar size | No free-lunch data | Higher S:T ratio |
| Edward F. Parthum | Similar size | No free-lunch data | Higher S:T ratio |
| Parthum Middle School | Similar size | No free-lunch data | Higher S:T ratio |
| Robert Frost | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Arlington Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,453
- Students per teacher
- 14.8:1
- Resource Index
- 40/100
- Enrollment
- 666
- Students per teacher
- 13.1:1
- Resource Index
- 19/100
- Enrollment
- 656
- Students per teacher
- 13.7:1
- Resource Index
- 36/100
- Enrollment
- 585
- Students per teacher
- 14.3:1
- Resource Index
- 28/100
- Enrollment
- 568
- Students per teacher
- 12.1:1
- Resource Index
- 36/100
Similar elementary schools in Lawrence
6 comparable elementary schools (grades K-5) serving the same city.
South Lawrence East Elementary School
Standard public school
666 students 13.1:1 students per teacher
Edward F. Parthum
Standard public school
656 students 13.7:1 students per teacher
Parthum Middle School
Standard public school
585 students 14.3:1 students per teacher
Robert Frost
Standard public school
568 students 12.1:1 students per teacher
Francis M Leahy
Standard public school
525 students 13.5:1 students per teacher
Frost Middle School
Standard public school
508 students 14.1:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~543 students)
Similar student-teacher ratio (~11.6:1)
Next steps
Verify locally before acting on Arlington Middle School's federal record.
- Compare Arlington Middle School against another school. Compare schools
- Lawrence'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 Arlington Middle School
How many students attend Arlington Middle School?
Arlington Middle School has 543 students enrolled. It is an elementary school in Lawrence, MA.
What is the student-teacher ratio at Arlington Middle School?
The student-teacher ratio at Arlington Middle School is 11.6:1, which is 6% lower than the Massachusetts average of 12.3:1 and 26% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Arlington Middle School?
The largest demographic group at Arlington Middle School is Hispanic or Latino at 97.4% of enrollment, in Lawrence, MA.
What is the Resource Investment Index for Arlington Middle School?
Arlington Middle School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Arlington Middle School rank among elementary schools in Lawrence?
By Resource Investment Index, Arlington Middle School ranks #8 of 14 elementary schools in Lawrence, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lawrence on the city page.
Is Arlington Middle School a good school?
Arlington Middle School earns 30/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also less racially and ethnically mixed than most Massachusetts 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 Lawrence?
Besides Arlington Middle School, Lawrence also operates Lawrence High School (3,453 students), South Lawrence East Elementary School (666 students), and Edward F. Parthum (656 students). See the Lawrence 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.