Enrollment
272
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Marshfield, MA
South River
Federal NCES profile for South River, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250735001144
👥 S:T ratio 55
🌟 Gifted program 30
📋 Attendance 74
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South River earns 53/100 on the Resource Investment Index, with class sizes near the Massachusetts median. It is also less racially and ethnically mixed than most Massachusetts schools.
- #1 of 3
- elementary schools in Marshfield · Resource Index
- 53
- Resource Index · Higher
- 11.3:1
- students per teacher
- 272
- students enrolled
South River has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, South River ranks #1 of 3 elementary schools in Marshfield, MA.
School address
District: Marshfield · Massachusetts
NCES ID 250735001144 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 12.3:1 Massachusetts avg
-8% vs state
Student-teacher ratio in context
How South River compares with Massachusetts and U.S. medians
What stands out at South River
South River is a mid-sized elementary school in Marshfield, Massachusetts, enrolling 272 students.
Class sizes run a bit leaner than typical: 11.3:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
Enrollment of 272 puts it in the smaller third of Massachusetts schools by headcount.
Its Resource Investment Index lands in the upper third of 1,831 scored Massachusetts schools.
Its student body is predominantly White (92% of enrollment), among the less diverse in the state (diversity index 15/100).
10.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Marshfield spends $17,009 per pupil, 24% below the Massachusetts average, a leaner-resourced district than most.
Among Marshfield's elementary schools, it stands alongside Martinson Elementary (445 students): South River is smaller than that campus by headcount and runs leaner classes (11.3:1 vs 11.4:1).
Marshfield also operates Marshfield High (1,119 students) and Furnace Brook Middle (799 students) alongside South River.
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 South River compares
South River on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.3:1 | ▼ 8% | 12.3:1 | 15.7:1 |
| Enrollment | 272 | top 76% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
272
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.3:1
students per teacher
- 8% below state mean
Top 40% in Massachusetts - lower ratio than 60% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
10.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$17,009
per pupil, district-wide
- below Massachusetts avg of $22,458
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
White 91.9%
African American 2.6%
Two or More 2.2%
Hispanic or Latino 1.8%
Asian 1.5%
Largest group: White at 91.9% of enrollment.
Student-body diversity index 15.4/100
Simpson diversity index - at 15.4, South River is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Marshfield, which includes South River.
$17,009
Per student
-24%
vs Massachusetts
Avg $22,458
+3%
vs U.S.
Avg $16,593
Revenue mix
Local 59.8%
State 33.0%
Federal 7.2%
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 South River Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Marshfield High | Larger | No free-lunch data | Similar S:T ratio |
| Furnace Brook Middle | Larger | No free-lunch data | Similar S:T ratio |
| Martinson Elementary | Larger | No free-lunch data | Similar S:T ratio |
| Gov Edward Winslow | Larger | No free-lunch data | Similar S:T ratio |
| Daniel Webster | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to South River's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,119
- Students per teacher
- 11.1:1
- Resource Index
- 55/100
- Enrollment
- 799
- Students per teacher
- 10.2:1
- Resource Index
- 53/100
- Enrollment
- 445
- Students per teacher
- 11.4:1
- Resource Index
- 47/100
- Enrollment
- 357
- Students per teacher
- 11.5:1
- Resource Index
- 51/100
- Enrollment
- 313
- Students per teacher
- 10.8:1
- Resource Index
- 50/100
Similar elementary schools in Marshfield
2 comparable elementary schools (grades K-5) serving the same city.
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 (~272 students)
Similar student-teacher ratio (~11.3:1)
Next steps
Verify locally before acting on South River's federal record.
- Compare South River against another school. Compare schools
- Marshfield'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 South River
How many students attend South River?
South River has 272 students enrolled. It is an elementary school in Marshfield, MA.
What is the student-teacher ratio at South River?
The student-teacher ratio at South River is 11.3:1, which is 8% lower than the Massachusetts average of 12.3:1 and 28% 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 South River?
The largest demographic group at South River is White at 91.9% of enrollment, in Marshfield, MA.
What is the Resource Investment Index for South River?
South River has a Resource Investment Index of 53/100 (higher 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 South River rank among elementary schools in Marshfield?
By Resource Investment Index, South River ranks #1 of 3 elementary schools in Marshfield, 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 Marshfield on the city page.
Is South River a good school?
South River earns 53/100 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 Marshfield?
Besides South River, Marshfield also operates Marshfield High (1,119 students), Furnace Brook Middle (799 students), and Martinson Elementary (445 students). See the Marshfield 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.