Average
#636 of 1,363 schools in MD
Top 47% in state
Dulaney High
High School · Baltimore County Public Schools · Timonium, MD
A Baltimore County Public Schools high school where students score 15 points below what's typical for similar communities.
255 E Padonia Road, Timonium, MD 21093
- Math 11% vs MD 30% (2025)
- Reading 64% vs MD 51% (2025)
- 96.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Dulaney High score 37% proficient, which is below what's typical for similar communities (expected: 52%).
2025 MCAP proficiency
Most recent published year. School vs. MD average.
Trend
↓ DecliningProficiency has fallen 20 points since 2020, to 37% in 2025, across a 17-year record (2009–2025).
Show all 14 years
Multi-year averages used by the rating model: math 74% (multi-year average, 2009-2025) · reading/ELA 81% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 28 test records from MD state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
31.5%
Students qualifying for federal meal assistance
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 Dulaney High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 19Car-Dependent
- Transit 22Minimal Transit
- Bike 20Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$121,771
Median home value
$466,200
Median rent
$1,581/mo
College educated
67.9%
Homeownership
78.7%
Poverty rate
5%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 21093; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Sheppard Pratt SchoolPrivate · tuition | 7.7private | 2–12 | 3.0 mi | 59 | Compare → |
| George W. Carver Center for Arts & TechnologyEnrollment path unverified | 8.2 | 9–12 | 3.5 mi | 1,015 | Compare → |
| Notre Dame Preparatory SchoolPrivate · tuition | 7.0private | 6–12 | 3.7 mi | 805 | Compare → |
| Ridge/ruxton SchoolEnrollment path unverified | 1.8 | PK–12 | 4.0 mi | 95 | 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.
Baltimore County Public Schools
- Schools in district
- 179
- Rank in district
- #47 of 169
- District spending per student
- $18,666NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 10.3%Census SAIPE · 2024
Dulaney High is listed in Baltimore County Public Schools; a district label does not verify attendance for an address.
About Dulaney High
Dulaney High is a public high school in Timonium, MD, part of Baltimore County Public Schools, serving approximately 1,845 students in grades 9th-12th with a 16.6:1 student-teacher ratio. It holds a MySchoolScout rating of 6.5 out of 10 and ranks #636 of 1,363 schools in MD. State assessment records show 74% math proficiency (multi-year average, 2009-2025) and 81% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Dulaney High
What grades does Dulaney High serve?
Dulaney High serves students in grades 9th through 12th.
How many students attend Dulaney High?
Dulaney High has an enrollment of approximately 1,845 students.
What is the student-teacher ratio at Dulaney High?
The student-teacher ratio at Dulaney High is 16.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Dulaney High rank in MD?
Dulaney High ranks #636 of 1,363 schools in MD.
What is Dulaney High's MySchoolScout rating?
Dulaney High has a current MySchoolScout rating of 6.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Dulaney High?
Based on loaded state assessment records, Dulaney High has 74% math proficiency (multi-year average, 2009-2025) and 81% reading/ELA proficiency (multi-year average, 2009-2025).
Is Dulaney High a charter school?
No, Dulaney High is not a charter school. It is a traditional public school operated by the local school district.
Is Dulaney High a Title I school?
No, Dulaney High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Dulaney High?
31.5% of students at Dulaney High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,845
- Student-Teacher Ratio
- 16.6:1
- Teachers (FTE)
- 111
- Type
- regular
- Setting
- Large Suburb
- County
- Baltimore County
- Chronic Absenteeism (SY 2022-23)
- 28.5%
- Phone
- (443) 809-7633
- 4-Year Graduation
- 96.0%
- Area population (ZIP 21093)
- 38,895
- Area average commute
- 24.4 min
- Area median age
- 46.1
Official sources & links
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 Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 MCAP · 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 from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 MCAP · 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 from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · 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 the fitted year-over-year slope of proficiency from multi-year assessment 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 21093; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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