Louis E Dieruff HS

815 N Irving St, Allentown, PA 18109

FSchola Grade
Grades
9–12
High
Students
1,914
Enrolled 2024–25
Students per teacher
16.6 : 1
Full-time teachers
District
Allentown City SD
Lehigh County

Schola Grade F · Far below average

Letter grade (A–F) · compared with 629 Pennsylvania high schools · How we grade
Test scores31% proficient in math & reading
14thpercentile
Equity27% of low-income students proficient
17thpercentile
Attendance58% chronically absent
7thpercentile
Graduation rate82% graduate in 4 years
13thpercentile
College readinessAt least 6% take AP, IB or dual-enrollment courses
20thpercentile
Class size16.6 students per teacher
15thpercentile

Percentiles compare this school with other Pennsylvania high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Louis E Dieruff HS

Louis E Dieruff HS is a public high school in Allentown, Pennsylvania, serving grades 9–12. It is part of Allentown City SD. The school is located in a midsize city in Lehigh County.

In the 2024–25 school year, 1,914 students were enrolled, with about 16.6 students for every full-time teacher. That ratio is larger than the typical Pennsylvania high school (13.3 students per teacher). Its Schola Grade is F (far below average), compared with 629 Pennsylvania high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

815 N Irving St
Allentown, PA 18109
Open in Google Maps

School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,914 students
Students per teacher
16.6 to 1
AP courses offered
23
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
City — Midsize
School district
Allentown City SD
County
Lehigh County
NCES school ID
420228002795

Schools near Louis E Dieruff HS

All 46 schools in Allentown →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.