- Enrollment
- 2,087
- Students per teacher
- 15.5:1
- Resource Index
- 48/100
High school (grades 9-12) · Timonium, MD
Dulaney High
Federal NCES profile for Dulaney High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240012000373
👥 S:T ratio 30
🌟 Gifted program 70
🎓 Counselors 31
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dulaney High earns 43/100 on the Resource Investment Index, with class sizes larger than 86% of Maryland schools. It is also one of the largest schools in Maryland.
- #4 of 5
- public schools in Timonium · Resource Index
- 43
- Resource Index · Typical
- 17.5:1
- large classes for Maryland
- 27.7%
- free-lunch eligible
Dulaney High has class sizes larger than 86% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Dulaney High ranks #4 of 5 public schools in Timonium, MD.
School address
District: Baltimore County Public Schools · Maryland
NCES ID 240012000373 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+24 students YoY
Dulaney High held near 1,845 students from 2022-23 to 2023-24 (+24 headcount).
Teacher FTE added 108.6 → 111.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+24 students YoY 240012000373 · Timonium, MD High · MID · TRAD
1,889 enr · 17.5:1 · 27.7% lunch · RII 43
Nearest enrollment peer: Dundalk High (2,087 students)
Dulaney High held near 1,845 students from 2022-23 to 2023-24 (+24 headcount). Teacher FTE added 108.6 → 111.7 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Dulaney High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Dundalk High
Dundalk High
2,087 students
- Perry Hall Hig
Perry Hall High
2,012 students
- Woodlawn High
Woodlawn High
1,922 students
- Kenwood High
Kenwood High
1,900 students
- This school
Dulaney High
1,889 students
- Parkville High
Parkville High
1,877 students
What this shows Dulaney High reports 1,889 students on the CCD universe file.
How Dulaney High compares
Dulaney High held steady on CCD headcount: ratios and free-lunch share vs Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.5:1 | ▲ 21% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 27.7% | ▼ 43% | 49.0% | 51.7% |
| Enrollment | 1,889 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.5:1
Leaner classes than 27% of US schools, heavier class loads than most.
1,889
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
27.7%
free-lunch eligible
- 43% below the Maryland average of 49.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.5:1
students per teacher
- 21% above state mean
Top 86% in Maryland - lower ratio than 14% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
23.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,666
per pupil, district-wide
- below Maryland avg of $18,753
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors5.5 FTE
Per 343 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 58 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 3.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 41.8%
Hispanic or Latino 21.2%
African American 20.5%
Asian 12.2%
Two or More 4.0%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 41.8% of enrollment.
Student-body diversity index 72.2/100
Simpson diversity index - at 72.2, Dulaney High is more mixed than the Maryland school average of 52.3.
Programs
AP courses offered 32
Gifted & talented Yes
District finance for Baltimore County Public Schools reports $18,666 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Dulaney High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dundalk High | Similar size | Higher economic need | Lower S:T ratio |
| Perry Hall High | Similar size | Higher economic need | Similar S:T ratio |
| Woodlawn High | Similar size | Higher economic need | Similar S:T ratio |
| Kenwood High | Similar size | Higher economic need | Similar S:T ratio |
| Parkville High | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Dulaney High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,012
- Students per teacher
- 16.6:1
- Resource Index
- 39/100
- Enrollment
- 1,922
- Students per teacher
- 17:1
- Resource Index
- 46/100
- Enrollment
- 1,900
- Students per teacher
- 16.5:1
- Resource Index
- 45/100
- Enrollment
- 1,877
- Students per teacher
- 12.3:1
- Resource Index
- 56/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,889 students)
Frequently asked questions about Dulaney High
How many students attend Dulaney High?
Dulaney High has 1,889 students enrolled. It is a high school in Timonium, MD. CCD year-over-year: 1,821 (2022-23) → 1,845 (2023-24), nearly flat (+24).
What is the student-teacher ratio at Dulaney High?
The student-teacher ratio at Dulaney High is 17.5:1, which is 21% higher than the Maryland average of 14.5:1 and 11% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Dulaney High?
27.7% of students at Dulaney High are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Dulaney High?
The largest demographic group at Dulaney High is White at 41.8% of enrollment, in Timonium, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.2/100.
What is the Resource Investment Index for Dulaney High?
Dulaney High has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Dulaney High rank among public schools in Timonium?
By Resource Investment Index, Dulaney High ranks #4 of 5 public schools in Timonium, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Timonium on the city page.
What other schools are in Baltimore County Public Schools?
Besides Dulaney High, Baltimore County Public Schools also operates Dundalk High (2,087 students), Perry Hall High (2,012 students), and Woodlawn High (1,922 students). See the Baltimore County Public Schools district page for the complete list.