High Schools in Allentown City School District

Summary:

The Allentown City School District in Pennsylvania is home to three high schools: William Allen High School, Louis E Dieruff High School, and Building 21 Allentown. These schools serve students in grades 9-12 and face various challenges, including low overall district performance and high rates of students receiving free or reduced-price lunch.

Among the three high schools, Building 21 Allentown stands out as a public magnet school, which may contribute to its unique characteristics compared to the other two traditional public high schools. William Allen High School and Louis E Dieruff High School have similar graduation rates (87.9%) and dropout rates (1.4%) for the 2023-2024 school year, both above the district average. Building 21 Allentown has the lowest student-teacher ratio at 15.7, compared to 19.3 at William Allen High School and 17 at Louis E Dieruff High School.

In terms of academic performance, Louis E Dieruff High School has the highest proficiency rates in Algebra I (19.3%), Biology (23.5%), and Literature (50%) among the three schools. However, the district as a whole is ranked 550 out of 606 school districts in Pennsylvania and is rated 0 stars out of 5 by SchoolDigger, indicating significant room for improvement in student outcomes across the district.

District Detail

31 S Penn Street
Allentown, PA 18105-0328

(484) 765-4000

SchoolDigger Rank:
550^th of 606 Pennsylvania districts

See the 2025 Pennsylvania District rankings!

Grades served: PK, KG-12
Students: 16,674

Primary Schools: 16
Middle Schools: 4
High Schools: 3
Alternative Schools: 0

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				Keystone Exams Algebra I (2025)	Keystone Exams Biology (2025)	Keystone Exams Literature (2025)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	Keystone Exams Algebra I 11th Grade	Keystone Exams Biology 11th Grade	Keystone Exams Literature 11th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
William Allen High School	Public	9-12	106 N 17th St	Allentown	18104	Lehigh County	Allentown City School District	No	No	No	Yes	(484) 765-5001	3,074	153	20.0	99.1%	163 (5.3%)	405 (13.2%)	2,317 (75.4%)	30 (1.0%)	2 (0.1%)	1 (0.0%)	156 (5.1%)	7.2	613^th of 681 public high schools	10.0%		10.4	595^th of 686 public high schools	13.3%	18	11.1	15.1	32.5	$17,928	$2,884	$15,044
Louis E Dieruff High School	Public	9-12	815 N Irving St	Allentown	18109	Lehigh County	Allentown City School District	No	No	No	Yes	(484) 765-5501	1,914	115	16.6	98.5%	176 (9.2%)	217 (11.3%)	1,414 (73.9%)	18 (0.9%)	1 (0.1%)	0 (0.0%)	88 (4.6%)	6.8	614^th of 681 public high schools	9.8%		19.6	559^th of 686 public high schools	18.5%	55	13.1	11.3	31.7	$19,764	$3,179	$16,584
Building 21 Allentown	Public, Magnet	9-12	265 Lehigh St	Allentown	18102	Lehigh County	Allentown City School District	No	Yes	No	Yes	(484) 765-4400	415	26	15.9	99.0%	13 (3.1%)	39 (9.4%)	337 (81.2%)	4 (1.0%)	0 (0.0%)	1 (0.2%)	21 (5.1%)	6	624^th of 681 public high schools	8.4%		7.9	620^th of 686 public high schools	9.6%	4	5.3	7.4	37.2	$18,828	$3,029	$15,799

Districts nearby

District	Distance	# of Schools	Statewide Rank
Salisbury Township School District	1.1 mi	3	272^nd
Arts Academy Elementary Charter School	1.51 mi	1	572^nd
Roberto Clemente Charter School	1.54 mi	1
Arts Academy Charter School	2.42 mi	1	510^th
Executive Education Academy Charter School	2.99 mi	1

See the top PA Pennsylvania districts

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Pennsylvania Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.