Enrollment
473
New York · 2024-25 NCES data
Other / mixed grade configuration · Rensselaer, NY
Red Mill School
Federal NCES profile for Red Mill School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataOther / mixed grade configurationNCES 360963000735
👥 S:T ratio 54
🌟 Gifted program 30
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Red Mill School earns 52/100 on the Resource Investment Index, with class sizes near the New York median.
- #1 of 3
- schools in Rensselaer · Resource Index
- 52
- Resource Index · Higher
- 11.5:1
- students per teacher
- 25.9%
- free-lunch eligible
Red Mill School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Red Mill School ranks #1 of 3 schools in Rensselaer, NY.
School address
District: East Greenbush Central School District · New York
NCES ID 360963000735 Verify on NCES CCD record →
Teachers (FTE)
41.0
Federal CCD staff survey
Students per teacher
11.5:1
vs 11.8:1 New York avg
-3% vs state
Free-lunch eligible
25.9%
vs 56.2% New York avg
-54% vs state
Student-teacher ratio in context
How Red Mill School compares with New York and U.S. medians
What stands out at Red Mill School
Red Mill School is a mid-sized combined-grade school in Rensselaer, New York, enrolling 473 students.
At 11.5:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 25.9% of students eligible for free meals.
With 473 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 828 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #147.
Its student body is led by White (66%) and Asian (12%) (diversity index 54/100).
11.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
East Greenbush Central School District also operates Columbia High School (1,272 students) and Howard L Goff School (948 students) alongside Red Mill 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 Red Mill School compares
Red Mill School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.5:1 | ▼ 3% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 25.9% | ▼ 54% | 56.2% | 51.7% |
| Enrollment | 473 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.5:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
473
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
25.9%
free-lunch eligible
- 54% below the New York average of 56.2%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.5:1
students per teacher
- 3% below state mean
Top 52% in New York - lower ratio than 48% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.2%
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
$22,280
per pupil, district-wide
- below New York avg of $26,410
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 65.5%
Asian 11.6%
Hispanic or Latino 8.5%
Two or More 7.4%
African American 6.8%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 65.5% of enrollment.
Student-body diversity index 54.0/100
Simpson diversity index - at 54.0, Red Mill School is more mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for East Greenbush Central School District, which includes Red Mill School.
$22,280
Per student
-16%
vs New York
Avg $26,410
+34%
vs U.S.
Avg $16,593
Revenue mix
Local 59.3%
State 30.8%
Federal 9.9%
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 Red Mill School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Columbia High School | Larger | Similar economic need | Higher S:T ratio |
| Howard L Goff School | Larger | Similar economic need | Similar S:T ratio |
| Citizen Edmond Genet School | Similar size | Similar economic need | Similar S:T ratio |
| Green Meadow School | Smaller | Similar economic need | Lower S:T ratio |
| Bell Top School | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to Red Mill School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,272
- Students per teacher
- 13:1
- Resource Index
- 44/100
- Enrollment
- 948
- Students per teacher
- 11:1
- Resource Index
- 50/100
- Enrollment
- 493
- Students per teacher
- 11.5:1
- Resource Index
- 54/100
- Enrollment
- 345
- Students per teacher
- 9.3:1
- Resource Index
- 55/100
- Enrollment
- 304
- Students per teacher
- 12.7:1
- Resource Index
- 53/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~473 students)
Next steps
Verify locally before acting on Red Mill School's federal record.
- Compare Red Mill School against another school. Compare schools
- East Greenbush Central 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 Red Mill School
How many students attend Red Mill School?
Red Mill School has 473 students enrolled. It is a public school in Rensselaer, NY.
What is the student-teacher ratio at Red Mill School?
The student-teacher ratio at Red Mill School is 11.5:1, which is 3% lower than the New York average of 11.8:1 and 27% 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 Red Mill School?
25.9% of students at Red Mill School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Red Mill School?
The largest demographic group at Red Mill School is White at 65.5% of enrollment, in Rensselaer, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.0/100.
What is the Resource Investment Index for Red Mill School?
Red Mill School has a Resource Investment Index of 52/100 (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 Red Mill School rank among schools in Rensselaer?
By Resource Investment Index, Red Mill School ranks #1 of 3 schools in Rensselaer, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Rensselaer on the city page.
Is Red Mill School a good school?
Red Mill School earns 52/100 on the Resource Investment Index, with class sizes near the New York 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 East Greenbush Central School District?
Besides Red Mill School, East Greenbush Central School District also operates Columbia High School (1,272 students), Howard L Goff School (948 students), and Citizen Edmond Genet School (493 students). See the East Greenbush Central 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.