Enrollment
673
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Chelsea, MA
Clark Avenue School
Federal NCES profile for Clark Avenue 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 250354001158
👥 S:T ratio 46
🌟 Gifted program 30
🎓 Counselors 33
📋 Attendance 10
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clark Avenue School earns 30/100 on the Resource Investment Index, with class sizes larger than 74% of Massachusetts schools. It is also less racially and ethnically mixed than most Massachusetts schools.
- #5 of 7
- elementary schools in Chelsea · Resource Index
- 30
- Resource Index · Lower
- 13.5:1
- large classes for Massachusetts
- 673
- students enrolled
Clark Avenue School has class sizes larger than 74% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Clark Avenue School ranks #5 of 7 elementary schools in Chelsea, MA.
School address
District: Chelsea · Massachusetts
NCES ID 250354001158 Verify on NCES CCD record →
Teachers (FTE)
50.0
Federal CCD staff survey
Students per teacher
13.5:1
vs 12.3:1 Massachusetts avg
+10% vs state
Student-teacher ratio in context
How Clark Avenue School compares with Massachusetts and U.S. medians
What stands out at Clark Avenue School
Clark Avenue School is a mid-sized elementary school in Chelsea, Massachusetts, enrolling 673 students.
Class loads run somewhat heavier than typical: 13.5:1 puts it in the larger third of Massachusetts schools by student-teacher ratio.
Enrollment of 673 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 (92% of enrollment), among the less diverse in the state (diversity index 16/100).
Counselor availability sits well past the ASCA benchmark, roughly 337 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 36.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Chelsea's elementary schools, it stands alongside George F. Kelly Elementary (527 students): Clark Avenue School is larger than that campus by headcount and runs leaner classes (13.5:1 vs 13.9:1).
Chelsea also operates Chelsea High (1,649 students) and Shurtleff Early Childhood (779 students) alongside Clark Avenue 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 Clark Avenue School compares
Clark Avenue 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 | 13.5:1 | ▲ 10% | 12.3:1 | 15.7:1 |
| Enrollment | 673 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.5:1
Leaner classes than 62% of US schools, a middle-of-the-pack class size.
673
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.5:1
students per teacher
- 10% above state mean
Top 74% in Massachusetts - lower ratio than 26% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
36.0%
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
$19,814
per pupil, district-wide
- below Massachusetts avg of $22,458
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 337 students, the combined health-and-guidance staffing load for this school.
Discipline context
34
in-school suspensions + 50 out-of-school
Suspension rate: 5.1 per 100 students. Combined in-school and out-of-school rate: 12.5 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 91.5%
African American 3.9%
White 3.7%
Two or More 0.7%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 91.5% of enrollment.
Student-body diversity index 16.0/100
Simpson diversity index - at 16.0, Clark Avenue School is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Chelsea, which includes Clark Avenue School.
$19,814
Per student
-12%
vs Massachusetts
Avg $22,458
+19%
vs U.S.
Avg $16,593
Revenue mix
Local 1.9%
State 83.4%
Federal 14.7%
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 Clark Avenue School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Chelsea High | Larger | No free-lunch data | Higher S:T ratio |
| Shurtleff Early Childhood | Similar size | No free-lunch data | Similar S:T ratio |
| George F. Kelly Elementary | Similar size | No free-lunch data | Similar S:T ratio |
| Joseph a. Browne School | Smaller | No free-lunch data | Lower S:T ratio |
| Frank M Sokolowski Elementary | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Clark Avenue School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,649
- Students per teacher
- 15.1:1
- Resource Index
- 34/100
- Enrollment
- 779
- Students per teacher
- 13.2:1
- Resource Index
- 26/100
- Enrollment
- 527
- Students per teacher
- 13.9:1
- Resource Index
- 45/100
- Enrollment
- 487
- Students per teacher
- 10.8:1
- Resource Index
- 35/100
- Enrollment
- 472
- Students per teacher
- 11.5:1
- Resource Index
- 29/100
Similar elementary schools in Chelsea
6 comparable elementary schools (grades K-5) serving the same city.
George F. Kelly Elementary
Standard public school
527 students 13.9:1 students per teacher
Joseph a. Browne School
Standard public school
487 students 10.8:1 students per teacher
Frank M Sokolowski Elementary
Standard public school
472 students 11.5:1 students per teacher
William a Berkowitz Elementary
Standard public school
455 students 13:1 students per teacher
Eugene Wright Science and Technology Academy
Standard public school
436 students 10.1:1 students per teacher
Edgar a Hooks Elementary
Standard public school
430 students 10.5:1 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 (~673 students)
Similar student-teacher ratio (~13.5:1)
Next steps
Verify locally before acting on Clark Avenue School's federal record.
- Compare Clark Avenue School against another school. Compare schools
- Chelsea'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 Clark Avenue School
How many students attend Clark Avenue School?
Clark Avenue School has 673 students enrolled. It is an elementary school in Chelsea, MA.
What is the student-teacher ratio at Clark Avenue School?
The student-teacher ratio at Clark Avenue School is 13.5:1, which is 10% higher than the Massachusetts average of 12.3:1 and 14% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Clark Avenue School?
The largest demographic group at Clark Avenue School is Hispanic or Latino at 91.5% of enrollment, in Chelsea, MA.
What is the Resource Investment Index for Clark Avenue School?
Clark Avenue School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Clark Avenue School rank among elementary schools in Chelsea?
By Resource Investment Index, Clark Avenue School ranks #5 of 7 elementary schools in Chelsea, 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 Chelsea on the city page.
Is Clark Avenue School a good school?
Clark Avenue School earns 30/100 on the Resource Investment Index, with class sizes larger than 74% of Massachusetts schools. 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 Chelsea?
Besides Clark Avenue School, Chelsea also operates Chelsea High (1,649 students), Shurtleff Early Childhood (779 students), and George F. Kelly Elementary (527 students). See the Chelsea 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.