Enrollment
1,396
Maryland · 2024-25 NCES data
High school (grades 9-12) · Aberdeen, MD
Aberdeen High
Federal NCES profile for Aberdeen High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240039000679
👥 S:T ratio 45
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 7
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Aberdeen High earns 36/100 on the Resource Investment Index, with class sizes near the Maryland median.
- #7 of 7
- public schools in Aberdeen · Resource Index
- 36
- Resource Index · Typical
- 13.8:1
- students per teacher
- 47.6%
- free-lunch eligible
Aberdeen High has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Aberdeen High ranks #7 of 7 public schools in Aberdeen, MD.
School address
District: Harford County Public Schools · Maryland
NCES ID 240039000679 Verify on NCES CCD record →
Teachers (FTE)
101.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 14.5:1 Maryland avg
-5% vs state
Free-lunch eligible
47.6%
vs 49.0% Maryland avg
-3% vs state
Student-teacher ratio in context
How Aberdeen High compares with Maryland and U.S. medians
What stands out at Aberdeen High
Aberdeen High is a large high school in Aberdeen, Maryland, enrolling 1,396 students.
Class sizes run a bit leaner than typical: 13.8:1 puts it in the smaller third of Maryland schools by student-teacher ratio.
Its free-meal eligibility rate of 47.6% lands close to the Maryland typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Maryland, bigger than 93% of state schools at 1,396 students.
Its Resource Investment Index trails 100% of the 1,382 Maryland schools with a score on record, one of the lower results on this measure.
Among 108 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #108, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (41%) and White (29%) (diversity index 71/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor access is stretched at roughly 465 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 48.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Harford County Public Schools spends $15,192 per pupil, 26% below the Maryland average, a leaner-resourced district than most.
The federal civil-rights collection also records 15 expulsions at this campus for 2021-22.
Harford County Public Schools also operates Edgewood High (1,440 students) and Bel Air High (1,341 students) alongside Aberdeen High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Aberdeen High compares
Aberdeen High on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▼ 5% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 47.6% | ▼ 3% | 49.0% | 51.7% |
| Enrollment | 1,396 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
1,396
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
47.6%
free-lunch eligible
- 3% below the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.8:1
students per teacher
- 5% below state mean
Top 40% in Maryland - lower ratio than 60% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
48.0%
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
$15,192
per pupil, district-wide
- below Maryland avg of $20,446
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 465 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 167 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 12.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 15 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
African American 41.2%
White 29.0%
Hispanic or Latino 15.1%
Two or More 9.7%
Asian 4.7%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 41.2% of enrollment.
Student-body diversity index 71.2/100
Simpson diversity index - at 71.2, Aberdeen High is more mixed than the Maryland school average of 52.3.
Programs
AP courses offered 21
Funding & spending
District-wide per-pupil expenditure for Harford County Public Schools, which includes Aberdeen High.
$15,192
Per student
-26%
vs Maryland
Avg $20,446
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 52.6%
State 35.4%
Federal 12.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Aberdeen High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Edgewood High | Similar size | Similar economic need | Higher S:T ratio |
| Bel Air High | Similar size | Lower economic need | Similar S:T ratio |
| C. Milton Wright High | Similar size | Lower economic need | Higher S:T ratio |
| North Harford High | Similar size | Lower economic need | Higher S:T ratio |
| Southampton Middle | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Aberdeen High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,440
- Students per teacher
- 15.7:1
- Resource Index
- 34/100
- Enrollment
- 1,341
- Students per teacher
- 14.7:1
- Resource Index
- 39/100
- Enrollment
- 1,291
- Students per teacher
- 15.4:1
- Resource Index
- 41/100
- Enrollment
- 1,204
- Students per teacher
- 16.3:1
- Resource Index
- 31/100
- Enrollment
- 1,192
- Students per teacher
- 15.7:1
- Resource Index
- 38/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,396 students)
Next steps
Verify locally before acting on Aberdeen High's federal record.
- Compare Aberdeen High against another school. Compare schools
- Harford County Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Aberdeen High
How many students attend Aberdeen High?
Aberdeen High has 1,396 students enrolled. It is a high school in Aberdeen, MD.
What is the student-teacher ratio at Aberdeen High?
The student-teacher ratio at Aberdeen High is 13.8:1, which is 5% lower than the Maryland average of 14.5:1 and 12% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Aberdeen High?
47.6% of students at Aberdeen High are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Aberdeen High?
The largest demographic group at Aberdeen High is African American at 41.2% of enrollment, in Aberdeen, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.2/100.
What is the Resource Investment Index for Aberdeen High?
Aberdeen High has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Aberdeen High rank among public schools in Aberdeen?
By Resource Investment Index, Aberdeen High ranks #7 of 7 public schools in Aberdeen, 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 Aberdeen on the city page.
Is Aberdeen High a good school?
Aberdeen High earns 36/100 on the Resource Investment Index, with class sizes near the Maryland median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Harford County Public Schools?
Besides Aberdeen High, Harford County Public Schools also operates Edgewood High (1,440 students), Bel Air High (1,341 students), and C. Milton Wright High (1,291 students). See the Harford County Public Schools district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.