At a glance
Reported students
1,386
NCES CCD 2024–25
Teachers (FTE)
87.53
NCES CCD 2024–25
Student–teacher ratio
15.8:1
Calculated; not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Pennsylvania high enrollment
88th percentile
Compared with 712 same-level schools reporting enrollment.
District median enrollment
278
Pittsburgh Allderdice HS: 1,386 reported students.
State peer staffing position
81st percentile
15.8:1 reported; state peer median 13.3:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 1,414
- Teachers (FTE)
- 107.3
- Student–teacher ratio
- 13.2:1
What the reported data says about Pittsburgh Allderdice HS
Pittsburgh Allderdice HS is a public high school serving grades 09–12 in Pittsburgh. It is one of 56 current school records connected to Pittsburgh SD. NCES reports 1,386 students for 2024–25.
Among 712 high schools in Pennsylvania with comparable records, this school is larger than the reported median of 571 students. Its enrollment is at approximately the 88th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 15.8:1, above the Pennsylvania median of 13.3:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (47.2%) and Black (31.4%). English learners represent 3.5% of enrollment. Students served under IDEA represent 14.4%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports AP student enrollment, gifted and talented programming, computer science. The school reported 23 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Pittsburgh Allderdice HS
- 1How do the reported 15.8:1 student–teacher ratio and 87.53 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3What counseling support is available today? The school reported 4 counselor FTE in 2021–22.
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Enrollment needs
- English learners
- 3.5%
- Students with disabilities
- 14.4%
- Lunch program
- Yes under Community Eligibility Option (CEO)
Reported support staff
- Counselors (FTE)
- 4
- Nurses (FTE)
- 2
- Psychologists (FTE)
- 0
- Social workers (FTE)
- 2
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White47.2%
- Hispanic7.9%
- Black31.4%
- Asian4.7%
- American Indian / Alaska Native0.2%
- Native Hawaiian / Pacific Islander0.4%
- Multiracial8.2%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
AP student enrollment
Students enrolled
23 distinct courses reported
Gifted and talented
Offered
Computer science
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Pittsburgh SD
Start with campuses at the same school level or with similar reported enrollment.
Pittsburgh Brashear HS
High · Grades 09–12
897 reported students
Pittsburgh CAPA 6-12
High · Grades 06–12
840 reported students
Pittsburgh Obama 6-12
High · Grades 06–12
678 reported students
Pittsburgh Science and Technology Academy 6-12
High · Grades 06–12
618 reported students
Pittsburgh Westinghouse
High · Grades 06–12
573 reported students
Pittsburgh Carrick HS
High · Grades 09–12
515 reported students
Public schools near Pittsburgh Allderdice HS
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Pittsburgh Science and Technology Academy 6-12 High · Pittsburgh SD | 06–12 | 618 | 2.2 mi |
| Pittsburgh Westinghouse High · Pittsburgh SD | 06–12 | 573 | 2.4 mi |
| Pittsburgh Milliones 6-12 High · Pittsburgh SD | 06–12 | 281 | 2.7 mi |
| Pittsburgh Obama 6-12 High · Pittsburgh SD | 06–12 | 678 | 2.7 mi |
| The New Academy CS High · Charter · The New Academy CS | 08–12 | 80 | 3 mi |
| Steel Valley SHS High · Steel Valley SD | 09–12 | 415 | 3.1 mi |
Frequently asked questions about Pittsburgh Allderdice HS
What grades does Pittsburgh Allderdice HS serve?
Pittsburgh Allderdice HS reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school in Pittsburgh SD.
How many students attend Pittsburgh Allderdice HS?
Pittsburgh Allderdice HS reported 1,386 students in the NCES 2024–25 membership file. That places it near the 88th percentile among 712 Pennsylvania high schools reporting enrollment. The 2021–22 civil-rights collection recorded 1,414 students.
What is the student–teacher ratio at Pittsburgh Allderdice HS?
The calculated ratio is 15.8:1, based on 1,386 students and 87.53 full-time-equivalent classroom teachers in 2024–25. The Pennsylvania median for the same school level is 13.3:1. A ratio is not the same as average class size.
Is Pittsburgh Allderdice HS a public, charter, or magnet school?
Pittsburgh Allderdice HS is a public school and is not a charter school; it is also identified as a magnet school. Admission can involve an application or lottery, so check enrollment windows with the school.
Which school district is Pittsburgh Allderdice HS in?
Pittsburgh Allderdice HS is part of Pittsburgh SD, based in Pittsburgh, PA, which operates 56 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Pittsburgh Allderdice HS?
The closest public schools by straight-line distance include Pittsburgh Science and Technology Academy 6-12 (2.2 mi), Pittsburgh Westinghouse (2.4 mi), Pittsburgh Milliones 6-12 (2.7 mi). Distance does not determine eligibility; attendance boundaries and program rules do.