- Enrollment
- 2,620
- Students per teacher
- 12.5:1
- Resource Index
- 54/100
Elementary school (grades K-5) · Riverside, CT
North Mianus School
Federal NCES profile for North Mianus School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 64/100.
2024-25 NCES dataElementary school (grades K-5)NCES 090171000304
👥 S:T ratio 57
🌟 Gifted program 70
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
North Mianus School earns 64/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #3 of 3
- elementary schools in Riverside · Resource Index
- 64
- Resource Index · Higher
- 10.8:1
- students per teacher
- 2.0%
- free-lunch eligible
North Mianus School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, North Mianus School ranks #3 of 3 elementary schools in Riverside, CT.
School address
District: Greenwich School District · Connecticut
NCES ID 090171000304 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-17 students YoY
North Mianus School held near 475 students from 2022-23 to 2023-24 (-17 headcount).
Teacher FTE lost 39.7 → 39.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-17 students YoY 090171000304 · Riverside, CT Elementary · SMALL · TRAD
423 enr · 10.8:1 · 2.0% lunch · RII 64
Nearest enrollment peer: Greenwich High School (2,620 students)
North Mianus School held near 475 students from 2022-23 to 2023-24 (-17 headcount). Teacher FTE lost 39.7 → 39.1 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
North Mianus School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Greenwich High
Greenwich High School
2,620 students
- Eastern Middle 797
Eastern Middle School
797 students
- Western Middle 563
Western Middle School
563 students
- Central Middle 483
Central Middle School
483 students
- Riverside Scho 440
Riverside School
440 students
- This school 423
North Mianus School
423 students
What this shows North Mianus School reports 423 students on the CCD universe file.
How North Mianus School compares
North Mianus School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.8:1 | ▼ 11% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 2.0% | ▼ 95% | 36.4% | 51.7% |
| Enrollment | 423 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.8:1
Leaner classes than 84% of US schools, among the more generously staffed nationally.
423
Bigger than 51% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
2.0%
free-lunch eligible
- 95% 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
10.8:1
students per teacher
- 11% below state mean
Top 33% in Connecticut - lower ratio than 67% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
13.5%
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
$31,154
per pupil, district-wide
- above Connecticut avg of $24,680
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
3
in-school suspensions + 0 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 65.5%
Asian 14.2%
Hispanic or Latino 12.5%
Two or More 7.1%
African American 0.5%
American Indian / Alaska Native 0.2%
Largest group: White at 65.5% of enrollment.
Student-body diversity index 53.0/100
Simpson diversity index - at 53.0, North Mianus School is more mixed than the Connecticut school average of 50.5.
Programs
Gifted & talented Yes
District finance for Greenwich School District reports $31,154 per pupil (NCES F-33) - open the district page for the full revenue mix.
How North Mianus School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greenwich High School | Larger | Higher economic need | Higher S:T ratio |
| Eastern Middle School | Larger | Similar economic need | Similar 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 |
| Riverside School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to North Mianus School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
- 440
- Students per teacher
- 12.6:1
- Resource Index
- 68/100
Similar elementary schools in Riverside
2 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~423 students)
Frequently asked questions about North Mianus School
How many students attend North Mianus School?
North Mianus School has 423 students enrolled. It is an elementary school in Riverside, CT. CCD year-over-year: 492 (2022-23) → 475 (2023-24), nearly flat (-17).
What is the student-teacher ratio at North Mianus School?
The student-teacher ratio at North Mianus School is 10.8:1, which is 11% lower than the Connecticut average of 12.1:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at North Mianus School?
2.0% of students at North Mianus School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of North Mianus School?
The largest demographic group at North Mianus School is White at 65.5% of enrollment, in Riverside, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.0/100.
What is the Resource Investment Index for North Mianus School?
North Mianus School has a Resource Investment Index of 64/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does North Mianus School rank among elementary schools in Riverside?
By Resource Investment Index, North Mianus School ranks #3 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.
What other schools are in Greenwich School District?
Besides North Mianus 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.