Average
#253 of 378 private schools in MD
Mater Dei School
Middle School · Bethesda, MD
A private middle school in Bethesda, MD serving grades 1st – 8th.
9600 SEVEN LOCKS RD, Bethesda, MD 20817
- 9.6:1 student-teacher ratio
Academics
PreliminaryWhat this rating measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in MD.
Data not available
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in MD
Test scores
Most recent published year. School vs. MD average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Mater Dei School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Washington DC map →
Getting around & local context
- Walk 8Car-Dependent
- Bike 15Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
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%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 20817; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
3 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| German International School Washington DcPrivate · tuition | 7.2private | PK–12 | 0.9 mi | 442 | Compare → |
| The Heights SchoolPrivate · tuition | 5.6private | 3–12 | 1.0 mi | 602 | Compare → |
| Cabin John MiddleEnrollment path unverified | 9.0 | 6–8 | 1.3 mi | 974 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Mater Dei School is listed in Bethesda, MD; verify the current enrollment path directly.
About Mater Dei School
Mater Dei School is a private middle school in Bethesda, MD, serving approximately 229 students in grades 1st-8th with a 9.6:1 student-teacher ratio. It holds a MySchoolScout rating of 5.8 out of 10 and ranks #253 of 378 private schools in MD.
Frequently asked questions
Common questions about Mater Dei School
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 #253 of 378 private schools in MD.
What is Mater Dei School's MySchoolScout rating?
Mater Dei School has a current MySchoolScout rating of 5.8 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 factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- 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
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- 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
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