- Enrollment
- 1,307
- Students per teacher
- 11.5:1
- Resource Index
- 45/100
Elementary school (grades K-5) · Williamsville, NY
Mill Middle School
Federal NCES profile for Mill Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataElementary school (grades K-5)NCES 363147004216
👥 S:T ratio 57
🌟 Gifted program 70
🎓 Counselors 61
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mill Middle School earns 60/100 on the Resource Investment Index, with class sizes near the New York median.
- #2 of 7
- elementary schools in Williamsville · Resource Index
- 60
- Resource Index · Higher
- 10.7:1
- students per teacher
- 24.2%
- free-lunch eligible
Mill Middle School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Mill Middle School ranks #2 of 7 elementary schools in Williamsville, NY.
School address
District: Williamsville Central School District · New York
NCES ID 363147004216 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-47 students YoY
Mill Middle School shrank from 774 students in 2022-23 to 727 in 2023-24 (-6.1%).
Teacher FTE lost 74.9 → 73.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-47 students YoY 363147004216 · Williamsville, NY Elementary · MID · TRAD
790 enr · 10.7:1 · 24.2% lunch · RII 60
Nearest enrollment peer: Williamsville North High School (1,307 students)
Mill Middle School shrank from 774 students in 2022-23 to 727 in 2023-24 (-6.1%). Teacher FTE lost 74.9 → 73.1 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Mill Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Williamsville
Williamsville North High School
1,307 students
- Williamsville
Williamsville East High School
940 students
- Transit Middle
Transit Middle School
912 students
- Williamsville
Williamsville South High School
796 students
- This school
Mill Middle School
790 students
- Maple West Ele
Maple West Elementary School
670 students
What this shows Mill Middle School reports 790 students on the CCD universe file.
How Mill Middle School compares
Mill Middle School is a shrinking campus on CCD: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.7:1 | ▼ 9% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 24.2% | ▼ 57% | 56.2% | 51.7% |
| Enrollment | 790 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.7:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
790
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
24.2%
free-lunch eligible
- 57% below the New York average of 56.2%
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
10.7:1
students per teacher
- 9% below state mean
Top 40% in New York - lower ratio than 60% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$19,702
per pupil, district-wide
- below New York avg of $28,120
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 198 students, the combined health-and-guidance staffing load for this school.
Discipline context
49
in-school suspensions + 25 out-of-school
Suspension rate: 6.2 per 100 students. Combined in-school and out-of-school rate: 9.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 76.1%
Asian 9.5%
Hispanic or Latino 5.6%
African American 4.6%
Two or More 4.3%
Largest group: White at 76.1% of enrollment.
Student-body diversity index 40.5/100
Simpson diversity index - at 40.5, Mill Middle School is less mixed than the New York school average of 45.5.
Programs
Gifted & talented Yes
District finance for Williamsville Central School District reports $19,702 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mill Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Williamsville North High School | Larger | Similar economic need | Similar S:T ratio |
| Williamsville East High School | Similar size | Similar economic need | Similar S:T ratio |
| Transit Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Williamsville South High School | Similar size | Similar economic need | Similar S:T ratio |
| Maple West Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mill Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 940
- Students per teacher
- 11.8:1
- Resource Index
- 48/100
- Enrollment
- 912
- Students per teacher
- 12.2:1
- Resource Index
- 60/100
- Enrollment
- 796
- Students per teacher
- 10.9:1
- Resource Index
- 42/100
- Enrollment
- 670
- Students per teacher
- 11.8:1
- Resource Index
- 58/100
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 (~790 students)
Similar student-teacher ratio (~10.7:1)
Frequently asked questions about Mill Middle School
How many students attend Mill Middle School?
Mill Middle School has 790 students enrolled. It is an elementary school in Williamsville, NY. CCD year-over-year: 774 (2022-23) → 727 (2023-24), down 47.
What is the student-teacher ratio at Mill Middle School?
The student-teacher ratio at Mill Middle School is 10.7:1, which is 9% lower than the New York average of 11.8:1 and 32% 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 Mill Middle School?
24.2% of students at Mill Middle School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Mill Middle School?
The largest demographic group at Mill Middle School is White at 76.1% of enrollment, in Williamsville, NY.
What is the Resource Investment Index for Mill Middle School?
Mill Middle School has a Resource Investment Index of 60/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mill Middle School rank among elementary schools in Williamsville?
By Resource Investment Index, Mill Middle School ranks #2 of 7 elementary schools in Williamsville, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Williamsville on the city page.
What other schools are in Williamsville Central School District?
Besides Mill Middle School, Williamsville Central School District also operates Williamsville North High School (1,307 students), Williamsville East High School (940 students), and Transit Middle School (912 students). See the Williamsville Central School District district page for the complete list.