The brief
A private middle school in Bethesda, MD serving grades 1st – 8th.
It ranks 294 of 414 schools in Maryland.
Mater Dei School is a private school: it enrolls by application and tuition, and its rating comes from the private-school model, which is not comparable with a public rating.
About this school's datarating: low confidence · 3 sources, 2019–2023
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
- Estimated academic score. This school does not have standardized test data. Based on 17 schools in Bethesda. Learn more
- What this rating measures: classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in MD.
- Component weights adjusted due to data availability.
Score basis: private school model. Data coverage: 80% of scoring components had data. Components scored: 4 of 5. Ranking pool: private schools in MD.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Medium confidence
- Source period: SY 2021–22. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 20817; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
The neighborhood
Where it sits, and what the area looks like.Open the Washington DC school map to see school quality against home prices across the metro.
The area
- Median income
- $240,104
- Median home value
- $1,142,300
- Median rent
- $3,155/mo
- College educated
- 85.3%
- Homeownership
- 82.3%
- Poverty rate
- 4.2%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 20817; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 8
- Car-Dependent
- Bike Score
- 15
- Somewhat Bikeable
- County reported crime
- 1,725/100K
- Reported Part-1 offenses (violent + property + arson) per 100,000 county residents, counting every city police department, sheriff's office and county police department that reported a full year to the FBI Uniform Crime Reporting program. Shown only where those agencies cover at least 80% of the county's residents. Not a school safety rating.
Walk, transit and bike scores by
FBI Uniform Crime Reporting · 2025 · county context, not school-level safety or attendance eligibility. Source details
Programs and who goes here
What the campus offers, and who it enrolls.Who goes here
- White92%
- Asian4%
- Black2%
- Hispanic2%
Enrollment mix: NCES Private School Universe Survey (PSS).
Compare nearby
Grade-compatible schools using the same rating model.- 8.0Compare →
- 7.7Compare →
- 7.6Compare →
- 7.3Compare →
- 6.6Compare →
- 6.3Compare →
- 6.2Compare →
- Mater Dei School5.7
- 5.4Compare →
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
The record
What is on file, and where each number came from.Questions families ask
What grades does Mater Dei School serve?
Mater Dei School serves students in grades 1st through 8th.
How many students attend Mater Dei School?
Mater Dei School has an enrollment of approximately 229 students.
What is the student-teacher ratio at Mater Dei School?
The student-teacher ratio at Mater Dei School is 9.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Mater Dei School rank in MD?
Mater Dei School ranks #294 of 414 private schools in MD.
What is Mater Dei School's MySchoolScout rating?
Mater Dei School has a current MySchoolScout rating of 5.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Mater Dei School a private school?
Yes, Mater Dei School is a private all-boys school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Mater Dei School a religious school?
Mater Dei School has a Roman Catholic religious affiliation.
School facts
- Grades
- 1st – 8th
- Enrollment
- 229
- Gender split
- 100% M / 0% F
- Student-teacher ratio
- 9.6:1
- Teachers (FTE)
- 24
- Type
- Private
- Coed status
- All-Boys
- Affiliation
- Roman Catholic
- School day
- 7 hours
- Days per year
- 171 days
- Setting
- Large Suburb
- County
- Montgomery County
- Phone
- (301) 365-2700
- Area population (ZIP 20817)
- 37,738
- Area average commute
- 30.2 min
- Area median age
- 45.5
NCES Private School Universe Survey (PSS) (SY 2021–22).
Sources and official links
Keep exploring
Related reading
Data from NCES Common Core of Data, Maryland Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.