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SCHOOL COMMUNITY·MONTGOMERY COUNTY PUBLIC SCHOOLS·NCES 240048001458

Sligo Middle

1401 Dennis Ave, Silver Spring, MD 20902 · (301) 287-8890 · Montgomery County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL685 STUDENTS
Enrollment
685
Middle
DISTRICT 888 · STATE 764
Student : Teacher
12.7:1
54 FTE teachers
DISTRICT 14.5:1 · STATE 14.3:1
Free / Reduced Lunch
47%
320 students
DISTRICT 40% · STATE 54%
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 6
219
Grade 7
240
Grade 8
226
Student demographics
White
28%
DISTRICT 23% · STATE 31%
Hispanic
42%
DISTRICT 36% · STATE 24%
Black
20%
DISTRICT 22% · STATE 32%
Asian
5%
DISTRICT 14% · STATE 7%
Two+
6%
DISTRICT 5% · STATE 5%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
52%
Female
48%

Discussions

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
48.0%
MD avg 50.6% . +1.3pp since 2023
Math
25.0%
MD avg 34.8% . +3.5pp since 2023
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
35.3%
composite math + reading, all grades
Predicted
46.6%
based on MD schools with similar FRL share
Beats by
-11.3pp
below 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
685
-39 (-5%) vs 2017
Student : Teacher
12.7:1
was 12.6:1
% White
28%
was 27%
% Hispanic
42%
was 42%
% Black
20%
was 19%
% Asian
5%
was 7%
Source: NCES Common Core of Data

About Sligo Middle

Set in Silver Spring, Maryland, Sligo Middle is a reasonably sized intermediate school, part of Montgomery County Public Schools. It serves 685 students across grades 6 through 8.

Sligo Middle is one of 208 schools operated by Montgomery County Public Schools, a district that enrolls 159,181 students overall.

Looking at the student body, Sligo Middle records that the most-represented group is Hispanic (42%), with the rest of the student body spread across multiple groups. Beyond that, the school records 28% White, 20% Black, 6% multiracial, 5% Asian. By comparison, Montgomery County as a whole is about 21% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

Looking at school resources, The school currently runs with 54 full-time-equivalent teachers, for a student-teacher ratio near 12.7:1. Statewide, the average ratio sits near 14.3:1, putting Sligo Middle tighter than the state norm the norm. About 47% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a residual basis (actual vs predicted given the student mix), Sligo Middle sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 46.6%; this one delivers 35.3%.

In the area at large, community-level numbers for Montgomery County indicate median household earnings sit near $132,450, 61% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. Across Montgomery County's 211 public schools (combined enrollment of about 159,181 students), Sligo Middle is one campus in the mix.

The closest other public school is Glen Haven Elementary, roughly 0.5 miles away. Counting just inside five miles, 8 other public schools cluster around Sligo Middle. On composite proficiency, Sligo Middle comes 5th of 8 in the immediate cluster, beneath the nearby-schools average of 43.9%.

The school occupies a suburban site.

Looking at the recent track record. Looking back 7 years, enrollment at Sligo Middle has declined 5%, going from 724 students in 2018 to 685 in 2025.

In the discussion threads here, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.

Montgomery County at a glance

View full county profile
Population
1,065,949
Census ACS
Median income
$132,450
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
211
159,181 students

Quick facts

School name
Sligo Middle
District
Montgomery County Public Schools
Address
1401 Dennis Ave, Silver Spring, MD 20902
Phone
(301) 287-8890
County
Montgomery County
Level
Middle
Grade range
06–08
Total enrollment
685
Teachers (FTE)
54
Student–teacher ratio
12.7:1
Free/Reduced lunch
320 (47%)
Locale
21-Suburb: Large
NCES ID
240048001458
Charter school
No
Virtual school
No

Related schools

Other schools in Montgomery County Public Schools
Other schools in Silver Spring
Nearby schools

Frequently asked questions

About Sligo Middle
How many students attend Sligo Middle?
Sligo Middle enrolls approximately 685 students in grades 06-08.
Is Sligo Middle an elementary, middle, or high school?
Sligo Middle is a middle school covering grades 06-08.
How many teachers does Sligo Middle have?
Sligo Middle employs 54 FTE teachers, for a student-to-teacher ratio of 12.7:1.
What is the student diversity at Sligo Middle?
Student demographics at Sligo Middle are roughly 28% White, 42% Hispanic, 20% Black, 5% Asian, 6% Two or more.
What district is Sligo Middle in?
Sligo Middle is part of Montgomery County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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