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SCHOOL COMMUNITY·HARFORD COUNTY PUBLIC SCHOOLS·NCES 240039000678

Aberdeen Middle

111 Mount Royal Ave, Aberdeen, MD 21001 · (410) 273-5510 · Harford County
GRADES 06–08MIDDLE22-SUBURBTITLE IREGULAR SCHOOL1,071 STUDENTS
C
allk12 Grade
Scored higher than 30% of Maryland public middle schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats 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
1,071
Middle
DISTRICT 913 · STATE 764
Student : Teacher
12.2:1
88 FTE teachers
DISTRICT 13.5:1 · STATE 14.3:1
Free / Reduced Lunch
61%
658 students
DISTRICT 41% · 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 634032%
Grade 737035%
Grade 836134%
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 61% · STATE 73% · US 70%
White
30128%
DISTRICT 57% · STATE 31% · US 43%
Hispanic
14714%
DISTRICT 10% · STATE 24% · US 30%
Black
50147%
DISTRICT 21% · STATE 32% · US 15%
Asian
131%
DISTRICT 3% · STATE 7% · US 6%
Two+
10710%
DISTRICT 8% · STATE 5% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
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
55452%
Female
51748%

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
45.5%
MD avg 50.6% . +0.8pp since 2023
Math
16.5%
MD avg 34.8% . +4.9pp since 2023

What this means: On the MCAP, Maryland's statewide test, about 46 of every 100 students at this school read and write at grade level and about 17 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores have held steady since 2023, while math scores are up about 5 points.

MCAP results by year

School yearEnglish Language ArtsMath
2024-2545.5%16.5%
2023-2444.7%11.6%
% 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
29.6%
composite math + reading, all grades
Predicted
37.9%
based on MD schools with similar FRL share
Beats by
-8.3pp
below demographic expectation

What this means: About 30% 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 Aberdeen Middle

Aberdeen Middle's state test result (29.6% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Aberdeen Middle this school1,07161.4%29.6%
Bennett Middle
Fruitland
96359.3%28.6%
Spring Ridge Middle
Lexington Park
91363.7%31.8%
Old Mill Middle South
Millersville
1,17357.5%37.5%
Salisbury Middle
Salisbury
84761.3%31.6%
Edgewood Middle
Edgewood
93669.2%26.5%
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 Aberdeen Middle ranks

Among middle schools
MeasureThis schoolIn MarylandIn Harford County
State test proficiency
ranked highest first
29.6%#145 of 223#7 of 9
Math proficiency
ranked highest first
16.5%#158 of 223
▲ 18
#7 of 9
▲ 1
Reading proficiency
ranked highest first
45.5%#132 of 223
▼ 2
#7 of 9
no change
Enrollment
ranked largest first
1,071#28 of 230#3 of 9
Students per teacher
ranked fewest first
12.2:1#28 of 225#3 of 9
Diversity index
ranked most diverse first
67.3%#75 of 225#2 of 9
Free and reduced lunch
ranked highest share first
61.4%#70 of 227#3 of 9
Enrollment change since 2017-18
ranked steepest decline first
-4.9%#90 of 123#5 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
1,071
-133 (-11%) vs 2020
+2% since 1990-91, when it was 1,049
Student : Teacher
12.2:1
was 15.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,07187.512.2:161% (658)
2023-241,05887.812.0:162% (658)
2022-231,08288.312.3:163% (684)
2020-211,2048015.1:159% (711)
2017-181,12680.314.0:153% (600)
2015-161,1848014.8:156% (666)
2010-111,0878313.1:152% (567)
2000-011,2278015.3:136% (443)
1990-911,0496316.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Aberdeen Middle.

Since 2017-18: students down 5% (1,126 to 1,071); teachers up 9% (80.3 to 87.5).

About Aberdeen Middle

Located in Aberdeen, Maryland, Aberdeen Middle is a mid-sized middle school. The school runs grades 6 through 8 and enrolls 1,071 students. Middle schools in Maryland average about 764 students, which makes this school 40% larger than average.

The 55 schools of Harford County Public Schools, including Aberdeen Middle, enroll 37,771 students.

Black students account for 47% of enrollment at Aberdeen Middle, more than any other group. Other students are 28% White, 14% Hispanic, and 10% multiracial. By comparison, Harford County residents are about 14% Black. On the diversity index, which measures the chance that two random students are from different groups, Aberdeen Middle scores 67%.

The school has 87.5 full-time-equivalent teachers and a ratio of 12.2 students per teacher. Statewide, middle schools in Maryland average 14.3:1. Of all students at Aberdeen Middle, 61% are eligible for free or reduced-price lunch. By comparison, the figure for public schools in Harford County is 39%.

Aberdeen Middle earns a C on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 30% of Maryland public middle schools.

On a poverty-adjusted basis, Aberdeen Middle falls in the middle 80% of Maryland schools: 29.6% actual against 37.9% predicted.

Harford County is the school's county. There, median household income comes to about $112,265, 40% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. There are 55 public schools in the county, enrolling about 37,771, Aberdeen Middle among them.

Center for Educational Opportunity is about 0.3 miles from Aberdeen Middle, the shortest distance to any other public school. The five-mile area around Aberdeen Middle holds at least 8 other public schools. Nearby schools with test data average 40.4% proficiency; Aberdeen Middle posts 29.6%.

The federal government classifies Aberdeen Middle's location as Suburb: Mid-size.

An 11% decrease took enrollment from 1,204 in 2020-21 to 1,071 in 2024-25. The student-to-teacher ratio went down from 15.1:1 to 12.2:1.

The allk12 page for Aberdeen Middle lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.

Harford County at a glance

View full county profile
Population
263,757
Census ACS
Median income
$112,265
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
55
37,771 students

Quick facts

School name
Aberdeen Middle
District
Harford County Public Schools
Address
111 Mount Royal Ave, Aberdeen, MD 21001
Phone
(410) 273-5510
County
Harford County
Level
Middle
Grade range
06–08
Total enrollment
1,071
Teachers (FTE)
88
Student–teacher ratio
12.2:1
Free and reduced lunch
658 (61%)
Locale
22-Suburb: Mid-size
NCES ID
240039000678
Charter school
No
Virtual school
No

Related schools

Other schools in Harford County Public Schools
Other schools in Aberdeen
Other Aberdeen Middle schools

One other US public school is named Aberdeen Middle. Aberdeen Middle is the largest of the 2.

Nearby schools

Frequently asked questions

About Aberdeen Middle
How many students attend Aberdeen Middle?
Aberdeen Middle enrolls approximately 1,071 students in grades 06-08.
Is Aberdeen Middle an elementary, middle, or high school?
Aberdeen Middle is a middle school covering grades 06-08.
How many students per teacher at Aberdeen Middle?
Approximately 12.2:1 students per teacher at Aberdeen Middle.
How diverse is Aberdeen Middle?
Aberdeen Middle reports a student body of 28% White, 14% Hispanic, 47% Black, 1% Asian, 10% Two or more.
Who oversees Aberdeen Middle?
Aberdeen Middle is overseen by Harford County Public Schools in Harford County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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