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Average

#636 of 1,363 schools in MD

Top 47% in state

Dulaney High

High School · Baltimore County Public Schools

255 E Padonia Road, Timonium, MD 21093

Enrollment

1,845

Student-Teacher

16.6:1

Score

6.5

Grades

9th – 12th

Data vintage2022-23

How this school compares

Maryland schools

#636 of 1,363

In Timonium

#5 of 5

public schools

In district

#47 of 169

Baltimore County Public Schools

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Dulaney High

6.5/10

High School in Timonium · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Pot Spring Elementary

7.0/10

0.5 mi away. Use as a geographic alternative in the same move search.

Warren Elementary

4.8/10

0.9 mi away. Use as a geographic alternative in the same move search.

About Dulaney High

Dulaney High is a public high school in Timonium, MD, part of Baltimore County Public Schools. Dulaney High serves approximately 1,845 students, and covers grades 9th-12th, and has a 16.6:1 student-teacher ratio. Dulaney High has a current MySchoolScout rating of 6.5 out of 10 and ranks #636 of 1,363 schools in MD.

Structured state assessment records for Dulaney High show 74% math proficiency (multi-year average, 2009-2025) and 81% reading/ELA proficiency (multi-year average, 2009-2025).

How it compares1.4 pts above district
  • This school 6.5 · Average
  • District avg 5.1
  • MD avg 6.1

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.8Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-3.88 pts/yr
Data Period2009–2025
TrendDeclining
Academics5.1Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency10.6% (2025 MCAP)
Reading/ELA Proficiency63.6% (2025 MCAP)
Math vs. State Avg-19.6 pts
Reading vs. State Avg+12.5 pts
Overall Proficiency37% (2025 MCAP, Math+ELA)
Expected (poverty-adj.)52% (model expectation from 2025 MCAP)
vs. Expected-14.7 pts
Adjusted Percentile33th
College Readiness8.7Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate96%
AP Participation38.5%
IB ProgramNo
Resources & Environment4.6Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.6:1
Per-Pupil Spending$18,666
Chronic Absenteeism28.5%

Dulaney High — Students at Dulaney High score 37% proficient, which is below what's typical for similar communities (expected: 52%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

31.5%

Students qualifying for federal meal assistance

Test Scores MD MCAP (2024-25)

Math Proficiency 73.5% (multi-year average, 2009-2025)
School
State
30.2% (2025 MCAP)
ELA Proficiency 80.6% (multi-year average, 2009-2025)
School
State
51.1% (2025 MCAP)

Based on 28 test records from MD state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
96%
ELA
96%
2010
Math
95%
ELA
92%
2011
Math
93%
ELA
94%
2012
Math
96%
ELA
97%
2013
Math
96%
ELA
95%
2014
Math
94%
ELA
94%
2015
Math
93%
ELA
85%
2016
Math
88%
ELA
66%
2018
Math
64%
ELA
77%
2019
Math
64%
ELA
77%
2020*
Math
43%
ELA
71%
2021*
Math
43%
ELA
71%
2022
Math
53%
ELA
50%
2025
Math
10.6%
ELA
63.6%

* 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: 6.8/10.

How Dulaney High Compares

See how Dulaney High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.5/10
53th percentile in MD
Academic
5.1/10
Average
Growth
6.8/10
Average
Environment
4.6/10
Below Average
AP Courses
4
State avg: 3.1
Sports
5
2 boys' · 3 girls'
Advanced STEM
5/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
32%
Teaching Staff
17:1 student-teacher ratio
111 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
28.5%

Programs & Offerings

AP/IB Programs4 AP courses offered
38.5% participation·State avg: 3.1 AP courses·CRDC 2021-22
Athletics5sports offered
2 boys'·3 girls'·10 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

255 E Padonia Road, Timonium, MD 21093

Nearby Alternatives

Families considering Dulaney High may also want to explore other high schools in the area. George W. Carver Center for Arts & Technology (rated 8.2/10, 3.5 miles away, in nearby Towson), which scores notably higher. Additionally, NOTRE DAME PREPARATORY SCHOOL (rated 7.0/10, 3.7 miles away, in nearby Towson), which scores slightly higher. For more schools in Timonium, see our Timonium schools guide .

Nearby Schools

20 within 4.0 mi
School Distance Rating
Pot Spring Elementary Timonium 0.5 mi 7.0
Warren Elementary Cockeysville 0.9 mi 4.8
Padonia International Elementary Cockeysville 1.1 mi 4.2
VILLA MARIA SCHOOL Timonium 1.1 mi 7.2
Cockeysville Middle Cockeysville 1.3 mi 6.2
Timonium Elementary Timonium 1.5 mi 9.4
APPLE TREE CHILDREN'S CENTER Cockeysville 1.5 mi 6.5
ST JOSEPH'S SCHOOL Cockeysville 1.5 mi 5.1
HAVENWOOD CHURCH PRESCHOOL CENTER Lutherville 2.0 mi
Ridgely Middle Lutherville 2.0 mi 8.1
Pinewood Elementary Timonium 1.8 mi 9.3
Lutherville Laboratory Lutherville 2.4 mi 8.0
LOTS OF LOVE DAYCARE AND SCHOOL Lutherville 2.8 mi
VALLEY BAPTIST PRESCHOOL Lutherville 2.9 mi
Hampton Elementary Lutherville 3.1 mi 7.8
SHEPPARD PRATT SCHOOL Hunt Valley 3.0 mi 7.7
George W. Carver Center for Arts & Technology Towson 3.5 mi 8.2
Mays Chapel Elementary Timonium 3.0 mi 8.8
NOTRE DAME PREPARATORY SCHOOL Towson 3.7 mi 7.0
IMMACULATE CONCEPTION SCHOOL Towson 4.0 mi 4.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 21093 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$121,771

Median Home Value

$466,200

Median Rent

$1,581/mo

Population

38,895

College Educated

67.9%

Homeownership

78.7%

Avg Commute

24.4 min

Poverty Rate

5%

Median Age

46.1

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Arundel High Gambrills, MD 6.5
Frederick Douglass High Upper Marlboro, MD 6.5
Oxon Hill High Oxon Hill, MD 6.5
Paint Branch High Burtonsville, MD 6.5
Parkside High Salisbury, MD 6.5
Calvert High Prince Frederick, MD 6.4

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
19 Car-Dependent
Transit Score
22 Minimal Transit
Bike Score
20 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,845
Student-Teacher Ratio
16.6:1
Teachers (FTE)
111
Free/Reduced Lunch
31.5%
Type
regular
Setting
Large Suburb
County
Baltimore County
Chronic Absenteeism (SY 2022-23)
28.5%
4-Year Graduation
96.0%

District

Baltimore County Public Schools
District Enrollment
110,275
Schools in District
179
Per-Pupil Spending
$18,666
District Rank
#47 of 169

How we rate schools

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