- Enrollment
- 3,074
- Students per teacher
- 21.8:1
- Resource Index
- 38/100
High school (grades 9-12) · Allentown, PA
Louis E Dieruff Hs
Federal NCES profile for Louis E Dieruff Hs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 420228002795
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Louis E Dieruff Hs earns 48/100 on the Resource Investment Index, with class sizes larger than 95% of Pennsylvania schools. It is also one of the largest schools in Pennsylvania.
- #3 of 5
- high schools in Allentown · Resource Index
- 48
- Resource Index · Typical
- 18.1:1
- large classes for Pennsylvania
- 88.9%
- free-lunch eligible
Louis E Dieruff Hs has class sizes larger than 95% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Louis E Dieruff Hs ranks #3 of 5 high schools in Allentown, PA.
School address
District: Allentown City Sd · Pennsylvania
NCES ID 420228002795 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-58 students YoY
Louis E Dieruff Hs held near 1,857 students from 2022-23 to 2023-24 (-58 headcount).
Teacher FTE added 106.5 → 108.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-58 students YoY 420228002795 · Allentown, PA High · MID · TRAD
1,914 enr · 18.1:1 · 88.9% lunch · RII 48
Nearest enrollment peer: William Allen Hs (3,074 students)
Louis E Dieruff Hs held near 1,857 students from 2022-23 to 2023-24 (-58 headcount). Teacher FTE added 106.5 → 108.8 across the same CCD years. Read with this school → · District book → · Pennsylvania schools → · Find another →
Louis E Dieruff Hs in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- William Allen
William Allen Hs
3,074 students
- This school
Louis E Dieruff Hs
1,914 students
- South Mountain 972
South Mountain Ms
972 students
- Francis D Raub 876
Francis D Raub Ms
876 students
- Brigadier Gene 807
Brigadier General Anna Mae Hays El Sch
807 students
- Trexler Ms 771
Trexler Ms
771 students
What this shows Louis E Dieruff Hs reports 1,914 students on the CCD universe file.
How Louis E Dieruff Hs compares
Louis E Dieruff Hs held steady on CCD headcount: ratios and free-lunch share vs Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▲ 33% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 88.9% | ▲ 53% | 58.1% | 51.7% |
| Enrollment | 1,914 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.1:1
Leaner classes than 24% of US schools, heavier class loads than most.
1,914
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
88.9%
free-lunch eligible
- 53% above the Pennsylvania average of 58.1%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
18.1:1
students per teacher
- 33% above state mean
Top 95% in Pennsylvania - lower ratio than 5% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$17,939
per pupil, district-wide
- below Pennsylvania avg of $18,725
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors7.0 FTE
Per 273 students, the combined health-and-guidance staffing load for this school.
Discipline context
308
in-school suspensions + 165 out-of-school
Suspension rate: 16.1 per 100 students. Combined in-school and out-of-school rate: 24.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 73.9%
African American 11.3%
White 9.2%
Two or More 4.6%
Asian 0.9%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 73.9% of enrollment.
Student-body diversity index 43.0/100
Simpson diversity index - at 43.0, Louis E Dieruff Hs is more mixed than the Pennsylvania school average of 37.3.
Programs
AP courses offered 8
Gifted & talented Yes
District finance for Allentown City Sd reports $17,939 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Louis E Dieruff Hs Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| William Allen Hs | Larger | Similar economic need | Higher S:T ratio |
| South Mountain Ms | Smaller | Higher economic need | Lower S:T ratio |
| Francis D Raub Ms | Smaller | Higher economic need | Lower S:T ratio |
| Brigadier General Anna Mae Hays El Sch | Smaller | Higher economic need | Lower S:T ratio |
| Trexler Ms | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Louis E Dieruff Hs's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 972
- Students per teacher
- 13.7:1
- Resource Index
- 38/100
- Enrollment
- 876
- Students per teacher
- 16.5:1
- Resource Index
- 36/100
- Enrollment
- 807
- Students per teacher
- 15.8:1
- Resource Index
- 17/100
- Enrollment
- 771
- Students per teacher
- 12.4:1
- Resource Index
- 45/100
Similar high schools in Allentown
4 comparable high schools (grades 9-12) serving the same city.
Parkland Hs
Standard public school
3,279 students 15.2:1 students per teacher
William Allen Hs
Standard public school
3,074 students 21.8:1 students per teacher
Salisbury Shs
Standard public school
546 students 15.6:1 students per teacher
Building 21 Allentown
Standard public school
415 students 14.8:1 students per teacher
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 (~1,914 students)
Similar student-teacher ratio (~18.1:1)
Frequently asked questions about Louis E Dieruff Hs
How many students attend Louis E Dieruff Hs?
Louis E Dieruff Hs has 1,914 students enrolled. It is a high school in Allentown, PA. CCD year-over-year: 1,915 (2022-23) → 1,857 (2023-24), nearly flat (-58).
What is the student-teacher ratio at Louis E Dieruff Hs?
The student-teacher ratio at Louis E Dieruff Hs is 18.1:1, which is 33% higher than the Pennsylvania average of 13.6:1 and 15% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Louis E Dieruff Hs?
88.9% of students at Louis E Dieruff Hs are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Louis E Dieruff Hs?
The largest demographic group at Louis E Dieruff Hs is Hispanic or Latino at 73.9% of enrollment, in Allentown, PA.
What is the Resource Investment Index for Louis E Dieruff Hs?
Louis E Dieruff Hs has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Louis E Dieruff Hs rank among high schools in Allentown?
By Resource Investment Index, Louis E Dieruff Hs ranks #3 of 5 high schools in Allentown, PA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Allentown on the city page.
What other schools are in Allentown City Sd?
Besides Louis E Dieruff Hs, Allentown City Sd also operates William Allen Hs (3,074 students), South Mountain Ms (972 students), and Francis D Raub Ms (876 students). See the Allentown City Sd district page for the complete list.