Dulaney High
🇺🇸 Official data · 2025Timonium, Maryland 21093 · Baltimore County Public Schools
#43 of 197 high schools in Maryland
#2824 of 16,910 nationally
About Dulaney High
Dulaney High is a public high located in Timonium, in the Baltimore County Public Schools school district of Maryland, United States. It caters for Grades 9–12. In 2025 it enrolled 1,889 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 71.9 out of 100, placing it in the top 25% of high schools in United States and 43rd of 197 ranked high schools in Maryland. Its strongest component is reading proficiency (83th percentile), and its weakest is students per teacher (27th percentile).
Other published figures: enrollment 1,889.
There are 5 schools in Timonium; Dulaney High ranks 3rd of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)64%
- Reading proficiency (30%)77%
- Community advantage (fewer free/reduced-price lunch) (25%)33.2%
- Students per teacher (15%)18.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Dulaney High by the official sources.
- Enrollment
- 1,889
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 33.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 18.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 77%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 64%
- Share of tested students proficient or above (all students, all grades).
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Schools near Dulaney High
Closest schools by straight-line distance, with their Success Index (US).
Pot Spring Elementary
Timonium · Public elementary · Grades PK–5
434 students · 725 m away
Warren Elementary
Cockeysville · Public elementary · Grades PK–5
381 students · 1.5 km away
Padonia International Elementary
Cockeysville · Public elementary · Grades PK–5
505 students · 1.7 km away
Cockeysville Middle
Cockeysville · Public middle · Grades 6–8
928 students · 2.0 km away
Timonium Elementary
Timonium · Public elementary · Grades K–5
445 students · 2.5 km away
Pinewood Elementary
Timonium · Public elementary · Grades PK–5
598 students · 2.9 km away
Ridgely Middle
Lutherville · Public middle · Grades 6–8
1,039 students · 3.3 km away
Lutherville Laboratory
Lutherville · Public elementary · Grades K–5
405 students · 3.8 km away
Mays Chapel Elementary
Timonium · Public elementary · Grades PK–5
657 students · 4.9 km away
Hampton Elementary
Lutherville · Public elementary · Grades K–5
555 students · 5.0 km away
Similar schools
Public high schools in Maryland with a comparable Enrollment.
John F. Kennedy High
Silver Spring · Public high · Grades 9–12
1,880 students
Kenwood High
Baltimore · Public high · Grades 9–12
1,900 students
Parkville High
Baltimore · Public high · Grades 9–12
1,877 students
Crofton High School
Gambrills · Public high · Grades 9–12
1,906 students
Thomas S. Wootton High
Rockville · Public high · Grades 9–12
1,870 students
Woodlawn High
Baltimore · Public high · Grades 9–12
1,922 students
Frequently asked questions
Is Dulaney High a good school?
Dulaney High has a Success Index (US) of 71.9 out of 100 (Top 25% of high schools in United States) and ranks #43 of 197 in Maryland. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Dulaney High rank in Maryland?
Dulaney High ranks #43 of 197 high schools in Maryland and #2824 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Dulaney High?
Dulaney High had 1,889 students in 2025.
Is Dulaney High a elementary school or a high school?
Dulaney High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Dulaney High?
There are 10 schools within 15 km of Dulaney High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.