Average
#1066 of 1,363 schools in MD
Sligo Middle
Middle School · Montgomery County Public Schools
1401 Dennis Ave, Silver Spring, MD 20902
Enrollment
702
Student-Teacher
14.3:1
Score
5.2
Grades
6th – 8th
Enrollment
702
Student-Teacher
14.3:1
Score
5.2
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Silver Spring
#47 of 53
public schools
Maryland middle schools
#160 of 224
In district
#184 of 206
Montgomery County Public Schools
School environment
7.1 / 10
Strong
About Sligo Middle
Sligo Middle, located in the heart of Silver Spring, Maryland, serves students from sixth to eighth grade. With an enrollment of 702 students and a student-to-teacher ratio of 14.3:1, Sligo offers individualized attention within its large suburban setting. The school is part of Montgomery County's public education system and has 49 full-time equivalent teachers dedicated to supporting their middle schoolers.
Academically, Sligo Middle ranks in the 49th percentile among Maryland schools with a MySchoolScout rating of 5.5 out of 10. In reading and ELA, 45% of students are proficient or above, while in math, that number is lower at 22%. Despite these challenges, the school focuses on student development and has plenty of room for academic growth.
Sligo Middle stands as a vital part of its community, providing educational opportunities to middle schoolers within a bustling suburban area.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Sligo Middle — Students at Sligo Middle score 35% proficient, which is below what's typical for similar communities (expected: 45%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
46%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 8 test records from MD state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 3.9/10.
How Sligo Middle Compares
See how Sligo Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 37% (2019) to 22.4% (2025). Reading/ELA proficiency has declined from 52% (2019) to 48% (2025).
Location
1401 Dennis Ave, Silver Spring, MD 20902
Nearby Alternatives
Families considering Sligo Middle may also want to explore other middle schools in the area. Forest Knolls Elementary (rated 8.5/10, 0.8 miles away), which scores notably higher. Another option is THE SIENA SCHOOL (rated 8.4/10, 0.7 miles away), which scores notably higher. Additionally, ST JOHN THE EVANGELIST SCHOOL (rated 7.7/10, 0.6 miles away), which scores notably higher. For more schools in Silver Spring, see our Silver Spring schools guide .
Nearby Schools
20 within 1.3 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 20902 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$111,408
Median Home Value
$531,200
Median Rent
$2,088/mo
Population
53,170
College Educated
47.3%
Homeownership
64.7%
Avg Commute
33.1 min
Poverty Rate
10.6%
Median Age
37
Community Profile
The community surrounding Sligo Middle has a median household income of $111,408. It is a well-educated community where 47% of adults hold a bachelor's degree or higher. The median home value in the area is $531,200, with a median rent of $2,088/month. The area has a poverty rate of 10.6%. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Northeast Middle Pasadena, MD | 5.2 |
| Briggs Chaney Middle Silver Spring, MD | 5.3 |
| Hereford Middle Monkton, MD | 5.3 |
| Katherine Johnson Global Academy Baltimore, MD | 5.3 |
| Mill Creek Middle Lusby, MD | 5.3 |
| Patterson Mill Middle School Bel Air, MD | 5.3 |
Frequently Asked Questions
Common questions about Sligo Middle
What grades does Sligo Middle serve?
Sligo Middle serves students in grades 6th through 8th.
How many students attend Sligo Middle?
Sligo Middle has an enrollment of approximately 702 students.
What is the student-teacher ratio at Sligo Middle?
The student-teacher ratio at Sligo Middle is 14.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sligo Middle rank in MD?
Sligo Middle is ranked #1066 out of 1,363 schools in MD.
What is Sligo Middle's MySchoolScout rating?
Sligo Middle has a composite rating of 5.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Sligo Middle?
Based on the most recent state assessment data, Sligo Middle has 21.9% math proficiency and 44.0% reading/ELA proficiency.
Is Sligo Middle a charter school?
No, Sligo Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Sligo Middle a Title I school?
No, Sligo Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sligo Middle?
46.0% of students at Sligo Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 702
- Student-Teacher Ratio
- 14.3:1
- Teachers (FTE)
- 49
- Free/Reduced Lunch
- 46.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Montgomery County
- Phone
- (301) 287-8890
- Data Year
- 2023–2024
Resources & Links
District
Montgomery County Public Schools- District Enrollment
- 160,223
- Schools in District
- 211
- Per-Pupil Spending
- $19,456
- District Rank
- #184 of 206
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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