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SCHOOL COMMUNITY·BALTIMORE COUNTY PUBLIC SCHOOLS·NCES 240012001574

Windsor Mill Middle

8300 Windsor Mill Rd, Baltimore, MD 21209 · (410) 887-0000 · Baltimore County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL606 STUDENTS
C-
allk12 Grade
Scored higher than 24% of Maryland public middle schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maryland public middle schools

Enrollment
606
Middle
DISTRICT 818 · STATE 764
Student : Teacher
17.3:1
35 FTE teachers
DISTRICT 14.6:1 · STATE 14.3:1
Free / Reduced Lunch
61%
370 students
DISTRICT 55% · STATE 54%
Community
5
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 620834%
Grade 721035%
Grade 818831%
Student demographics
24%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 72% · STATE 73% · US 70%
White
81%
DISTRICT 29% · STATE 31% · US 43%
Hispanic
427%
DISTRICT 18% · STATE 24% · US 30%
Black
52587%
DISTRICT 40% · STATE 32% · US 15%
Asian
112%
DISTRICT 7% · STATE 7% · US 6%
Two+
132%
DISTRICT 5% · STATE 5% · US 5%
Native American
61%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
31452%
Female
29248%

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
47.3%
MD avg 50.6% . +10.9pp since 2023
Math
13.5%
MD avg 34.8% . -0.2pp since 2023

What this means: On the MCAP, Maryland's statewide test, about 47 of every 100 students at this school read and write at grade level and about 14 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are up about 11 points since 2023, while math scores have held steady.

MCAP results by year

School yearEnglish Language ArtsMath
2024-2547.3%13.5%
2023-2436.4%13.7%
% Proficient (Levels 3-4), all students and all tested grades.
Source: MCAP. 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
27.7%
composite math + reading, all grades
Predicted
38.1%
based on MD schools with similar FRL share
Beats by
-10.4pp
below demographic expectation

What this means: About 28% of students here test proficient in math and reading, compared with the roughly 38% typical for Maryland schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Maryland's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Windsor Mill Middle

Windsor Mill Middle's state test result (27.7% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Windsor Mill Middle this school60661.1%27.7%
Gwynn Park Middle
Brandywine
70256.1%23.9%
Northwest Academy of Health Sciences
Baltimore
80868.7%23.0%
Loch Raven Technical Academy
Baltimore
72262.6%23.1%
James Madison Middle
UPPER MARLBORO
80063.5%24.0%
Woodlawn Middle
Baltimore
52268.8%27.6%
Matched among Maryland middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Windsor Mill Middle ranks

Among middle schools
MeasureThis schoolIn MarylandIn Baltimore County
State test proficiency
ranked highest first
27.7%#158 of 223#12 of 26
Math proficiency
ranked highest first
13.5%#174 of 223
▼ 14
#18 of 26
▼ 2
Reading proficiency
ranked highest first
47.3%#122 of 223
▲ 43
#10 of 26
▲ 3
Enrollment
ranked largest first
606#173 of 230#25 of 30
Students per teacher
ranked fewest first
17.3:1#212 of 225#26 of 28
Diversity index
ranked most diverse first
24.4%#209 of 225#26 of 28
Free and reduced lunch
ranked highest share first
61.1%#75 of 227#13 of 28
Enrollment change since 2017-18
ranked fastest growth first
+29.5%#11 of 95#1 of 6
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
606
-85 (-12%) vs 2020
-3% since 2010-11, when it was 624
Student : Teacher
17.3:1
was 13.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-256063517.3:161% (370)
2023-246093716.5:157% (345)
2022-236264115.3:155% (344)
2020-216915213.3:168% (469)
2017-184683115.1:165% (306)
2015-165193415.3:171% (369)
2010-116244214.9:157% (358)
Source: NCES Common Core of Data. Rows are the federal collections on file for Windsor Mill Middle.

Since 2017-18: students up 29% (468 to 606); teachers up 13% (31 to 35).

About Windsor Mill Middle

Windsor Mill Middle runs as a low-enrollment middle school in Baltimore, Maryland. Its grade span covers grades 6 through 8, with 606 students on the rolls. Middle schools in Maryland average about 764 students, which makes this school 21% below average.

The 177 schools of Baltimore County Public Schools, including Windsor Mill Middle, enroll 110,872 students.

A large majority of enrollment at Windsor Mill Middle is Black, at 87%. The rest of enrollment is 7% Hispanic and 2% multiracial. Among all residents of Baltimore County, the Black share is about 31%. The diversity index for Windsor Mill Middle is 24%. For US public schools as a whole it is 70%.

Windsor Mill Middle reported 35 full-time-equivalent teachers in 2024-25, a ratio of 17.3:1. Middle schools in Maryland average 14.3:1, 3.0 fewer students per teacher than here. There are 370 students eligible for free or reduced-price lunch, 61% of enrollment. That is higher than the 53% average for public schools in Baltimore County.

On the allk12 Grade, Windsor Mill Middle lands at C-, ahead of 24% of Maryland public middle schools.

Windsor Mill Middle scores 27.7% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 38.1%.

Census data for Baltimore County show median household income comes to about $91,768, about 42% of adults have at least a bachelor's degree, and the poverty rate is about 7%. The county has 180 public schools and about 110,872 students.

A public school about 0.4 miles away, Winfield Elementary, is the closest to Windsor Mill Middle. The count of other public schools within five miles is at least 8. In a group of 8 nearby schools with scores, Windsor Mill Middle ranks 7th on average proficiency.

NCES assigns Windsor Mill Middle the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

From 691 students in 2020-21, enrollment fell to 606 by 2024-25. Over the same period, the student-to-teacher ratio increased to 17.3:1, from 13.3:1.

On allk12, people connected to Windsor Mill Middle can post about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.

Baltimore County at a glance

View full county profile
Population
850,796
Census ACS
Median income
$91,768
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
180
110,872 students

Quick facts

School name
Windsor Mill Middle
District
Baltimore County Public Schools
Address
8300 Windsor Mill Rd, Baltimore, MD 21209
Phone
(410) 887-0000
County
Baltimore County
Level
Middle
Grade range
06–08
Total enrollment
606
Teachers (FTE)
35
Student–teacher ratio
17.3:1
Free and reduced lunch
370 (61%)
Locale
21-Suburb: Large
NCES ID
240012001574
Charter school
No
Virtual school
No

Related schools

Other schools in Baltimore County Public Schools
Other schools in Baltimore
Nearby schools

Frequently asked questions

About Windsor Mill Middle
How many students attend Windsor Mill Middle?
Windsor Mill Middle enrolls approximately 606 students in grades 06-08.
What grades does Windsor Mill Middle serve?
Windsor Mill Middle serves grades 06-08.
What is the student-teacher ratio at Windsor Mill Middle?
The student-to-teacher ratio at Windsor Mill Middle is approximately 17.3:1 (35 FTE teachers).
What is the student diversity at Windsor Mill Middle?
Student demographics at Windsor Mill Middle are roughly 1% White, 7% Hispanic, 87% Black, 2% Asian, 2% Two or more.
What district is Windsor Mill Middle in?
Windsor Mill Middle is part of Baltimore County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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