Enrollment
440
Connecticut · 2024-25 NCES data
Elementary school (grades K-5) · Riverside, CT
Riverside School
Federal NCES profile for Riverside School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 68/100.
2024-25 NCES dataElementary school (grades K-5)NCES 090171000308
👥 S:T ratio 50
🌟 Gifted program 70
📋 Attendance 84
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Riverside School earns 68/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #1 of 3
- elementary schools in Riverside · Resource Index
- 68
- Resource Index · Higher
- 12.6:1
- students per teacher
- 2.3%
- free-lunch eligible
Riverside School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Riverside School ranks #1 of 3 elementary schools in Riverside, CT.
School address
District: Greenwich School District · Connecticut
NCES ID 090171000308 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
12.6:1
vs 12.1:1 Connecticut avg
+4% vs state
Free-lunch eligible
2.3%
vs 36.4% Connecticut avg
-94% vs state
Student-teacher ratio in context
How Riverside School compares with Connecticut and U.S. medians
What stands out at Riverside School
Riverside School is a lower-poverty, mid-sized elementary school in Riverside, Connecticut, enrolling 440 students.
Class loads run somewhat heavier than typical: 12.6:1 puts it in the larger third of Connecticut schools by student-teacher ratio.
Comparatively few students face economic hardship here, 2.3% free-meal eligibility runs 94% below the Connecticut average.
With 440 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index outscores 96% of the 1,003 Connecticut schools with a score on record, a top-tier result on this measure.
Among 176 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #16, a top-tier result once campus size and economic need are matched.
Its student body is led by White (71%) and Hispanic or Latino (18%) (diversity index 45/100).
Attendance holds up well here: only 6.4% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Greenwich School District spends $30,449 per pupil, 28% above the Connecticut average, a better-resourced district than most.
Among Riverside's elementary schools, it stands alongside North Mianus School (423 students): Riverside School is larger than that campus by headcount and runs heavier classes (12.6:1 vs 10.8:1).
Greenwich School District also operates Greenwich High School (2,620 students) and Eastern Middle School (797 students) alongside Riverside 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 Riverside School compares
Riverside School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.6:1 | ▲ 4% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 2.3% | ▼ 94% | 36.4% | 51.7% |
| Enrollment | 440 | top 44% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.6:1
Leaner classes than 70% of US schools, among the more generously staffed nationally.
440
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
2.3%
free-lunch eligible
- 94% below the Connecticut average of 36.4%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.6:1
students per teacher
- 4% above state mean
Top 69% in Connecticut - lower ratio than 31% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
6.4%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$30,449
per pupil, district-wide
- above Connecticut avg of $23,870
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
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 71.4%
Hispanic or Latino 18.2%
Asian 5.2%
Two or More 5.0%
American Indian / Alaska Native 0.2%
Largest group: White at 71.4% of enrollment.
Student-body diversity index 45.2/100
Simpson diversity index - at 45.2, Riverside School is less mixed than the Connecticut school average of 50.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Greenwich School District, which includes Riverside School.
$30,449
Per student
+28%
vs Connecticut
Avg $23,870
+84%
vs U.S.
Avg $16,593
Revenue mix
Local 81.4%
State 13.5%
Federal 5.1%
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 Riverside School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greenwich High School | Larger | Higher economic need | Similar S:T ratio |
| Eastern Middle School | Larger | Similar economic need | Lower S:T ratio |
| Western Middle School | Larger | Higher economic need | Lower S:T ratio |
| Central Middle School | Similar size | Higher economic need | Lower S:T ratio |
| North Mianus School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Riverside School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,620
- Students per teacher
- 12.5:1
- Resource Index
- 54/100
- Enrollment
- 797
- Students per teacher
- 10.4:1
- Resource Index
- 66/100
- Enrollment
- 563
- Students per teacher
- 8.3:1
- Resource Index
- 67/100
- Enrollment
- 483
- Students per teacher
- 8.8:1
- Resource Index
- 65/100
- Enrollment
- 423
- Students per teacher
- 10.8:1
- Resource Index
- 64/100
Similar elementary schools in Riverside
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 Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~440 students)
Similar student-teacher ratio (~12.6:1)
Next steps
Verify locally before acting on Riverside School's federal record.
- Compare Riverside School against another school. Compare schools
- Greenwich School District'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 Riverside School
How many students attend Riverside School?
Riverside School has 440 students enrolled. It is an elementary school in Riverside, CT.
What is the student-teacher ratio at Riverside School?
The student-teacher ratio at Riverside School is 12.6:1, which is 4% higher than the Connecticut average of 12.1:1 and 20% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Riverside School?
2.3% of students at Riverside School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Riverside School?
The largest demographic group at Riverside School is White at 71.4% of enrollment, in Riverside, CT.
What is the Resource Investment Index for Riverside School?
Riverside School has a Resource Investment Index of 68/100 (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 Riverside School rank among elementary schools in Riverside?
By Resource Investment Index, Riverside School ranks #1 of 3 elementary schools in Riverside, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Riverside on the city page.
Is Riverside School a good school?
Riverside School earns 68/100 on the Resource Investment Index, with class sizes near the Connecticut median. 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 Greenwich School District?
Besides Riverside School, Greenwich School District also operates Greenwich High School (2,620 students), Eastern Middle School (797 students), and Western Middle School (563 students). See the Greenwich School District 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.