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SCHOOL COMMUNITY·WILLIAMSVILLE CENTRAL SCHOOL DISTRICT·NCES 363147004216

MILL MIDDLE SCHOOL

505 MILL ST, WILLIAMSVILLE, NY 14221 · (716) 626-8300 · Erie County
GRADES 05–08MIDDLE21-SUBURBREGULAR SCHOOL790 STUDENTS
Enrollment
790
Middle
DISTRICT 739 · STATE 531
Student : Teacher
10.7:1
74 FTE teachers
DISTRICT 11.1:1 · STATE 10.3:1
Free / Reduced Lunch
26%
206 students
DISTRICT 22% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 5
212
Grade 6
168
Grade 7
186
Grade 8
210
Ungraded
14
Student demographics
White
60176%
DISTRICT 70% · STATE 39%
Hispanic
446%
DISTRICT 5% · STATE 31%
Black
365%
DISTRICT 4% · STATE 16%
Asian
759%
DISTRICT 16% · STATE 10%
Two+
344%
DISTRICT 6% · STATE 4%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
43755%
Female
35345%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
72.0%
NY avg 58.3% . +9.0pp since 2023
Math
75.9%
NY avg 57.4% . +6.3pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
68.9%
composite math + reading, all grades
Predicted
65.4%
based on NY schools with similar FRL share
Beats by
+3.5pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
790
-50 (-6%) vs 2017
Student : Teacher
10.7:1
was 12.9:1
% White
76%
was 80%
% Hispanic
6%
was 5%
% Black
5%
was 5%
% Asian
9%
was 6%
Source: NCES Common Core of Data

About MILL MIDDLE SCHOOL

MILL MIDDLE SCHOOL, a medium-sized middle-grades school in WILLIAMSVILLE, New York, overseen by WILLIAMSVILLE CENTRAL SCHOOL DISTRICT, educates 790 students, covering grades 5 through 8. Enrollment runs roughly 49% bigger than the state mean of about 531.

Across the 13 schools in WILLIAMSVILLE CENTRAL SCHOOL DISTRICT (9,598 students total), MILL MIDDLE SCHOOL accounts for its share of the district's footprint.

On demographics, MILL MIDDLE SCHOOL records that 76% of the student body identifies as White; the rest looks like 9% Asian, 6% Hispanic, 5% Black, 4% multiracial. Compared to Erie County overall, the school's racial mix sits in roughly the same range.

Looking at the economic backdrop, MILL MIDDLE SCHOOL logs 74 full-time-equivalent teachers, putting the student-to-teacher ratio at about 10.7:1. The state averages about 10.3:1, putting this campus right in line with peers. Roughly 26% of students at MILL MIDDLE SCHOOL qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Erie County runs at roughly 51%, so the school's eligibility rate is below the surrounding baseline.

After controlling for student poverty, MILL MIDDLE SCHOOL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 65.4%; this one delivers 68.9%.

Around the school, community-level numbers for Erie County indicate median household income runs about $72,839, roughly 38% of adults have completed at least a four-year degree, and the poverty rate sits near 9%. Across Erie County's 226 public schools (combined enrollment of about 122,519 students), MILL MIDDLE SCHOOL is one campus in the mix.

The closest other public school is WILLIAMSVILLE SOUTH HIGH SCHOOL, roughly 0.9 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts MILL MIDDLE SCHOOL at 8th of 9; the average score across the group is 74.1%.

MILL MIDDLE SCHOOL operates from a residential location.

Trend over the last 7 years. Over the past 7-year window, the student count decreased 6%: 840 students in 2018 compared to 790 in 2025. White enrollment moved from 80% to 76% across the same window. Class-load math has fell: from 12.9:1 in 2018 to 10.7:1 in 2025.

On the community side, members of the MILL MIDDLE SCHOOL community share and discuss sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

Erie County at a glance

View full county profile
Population
950,622
Census ACS
Median income
$72,839
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
226
122,519 students

Quick facts

School name
MILL MIDDLE SCHOOL
District
WILLIAMSVILLE CENTRAL SCHOOL DISTRICT
Address
505 MILL ST, WILLIAMSVILLE, NY 14221
Phone
(716) 626-8300
County
Erie County
Level
Middle
Grade range
05–08
Total enrollment
790
Teachers (FTE)
74
Student–teacher ratio
10.7:1
Free/Reduced lunch
206 (26%)
Locale
21-Suburb: Large
NCES ID
363147004216
Charter school
No
Virtual school
No

Related schools

Other schools in WILLIAMSVILLE CENTRAL SCHOOL DISTRICT
Other schools in WILLIAMSVILLE
Nearby schools

Frequently asked questions

About MILL MIDDLE SCHOOL
How many students attend MILL MIDDLE SCHOOL?
MILL MIDDLE SCHOOL enrolls approximately 790 students in grades 05-08.
What grades does MILL MIDDLE SCHOOL serve?
MILL MIDDLE SCHOOL serves grades 05-08.
How many teachers does MILL MIDDLE SCHOOL have?
MILL MIDDLE SCHOOL employs 74 FTE teachers, for a student-to-teacher ratio of 10.7:1.
How diverse is MILL MIDDLE SCHOOL?
MILL MIDDLE SCHOOL reports a student body of 76% White, 6% Hispanic, 5% Black, 9% Asian, 4% Two or more.
Who oversees MILL MIDDLE SCHOOL?
MILL MIDDLE SCHOOL is overseen by WILLIAMSVILLE CENTRAL SCHOOL DISTRICT in Erie County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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