For the 2025 school year, there are 15 public high schools serving 19,145 students in Lehigh County, PA.
The top ranked public high schools in Lehigh County, PA are Southern Lehigh Sr. High School, Parkland High School and Northwestern Lehigh High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Lehigh County, PA public high schools have an average math proficiency score of 38% (versus the Pennsylvania public high school average of 40%), and reading proficiency score of 51% (versus the 58% statewide average). High schools in Lehigh County have an average ranking of 4/10, which is in the bottom 50% of Pennsylvania public high schools.
Lehigh County, PA public high school have a Graduation Rate of 88%, which is equal to the Pennsylvania average of 88%.
The school with highest graduation rate is Northwestern Lehigh High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Pennsylvania or national school graduation rate statistics.
Minority enrollment is 63% of the student body (majority Hispanic), which is more than the Pennsylvania public high school average of 39% (majority Black and Hispanic).
Best Public High Schools in Lehigh County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Southern Lehigh Sr. High School
(Math: 90-94% | Reading: 84%)
Rank:
Rank:
10/
Top 5%10
5800 Main St
Center Valley, PA 18034
(610) 282-1421
Center Valley, PA 18034
(610) 282-1421
Grades: 9-12
| 1,014 students
Rank: #22.
Parkland High School
(Math: 80% | Reading: 80%)
Rank:
Rank:
10/
Top 10%10
2700 N Cedar Crest Blvd
Allentown, PA 18104
(610) 351-5600
Allentown, PA 18104
(610) 351-5600
Grades: 9-12
| 3,242 students
Rank: #33.
Northwestern Lehigh High School
(Math: 80-89% | Reading: 65-69%)
Rank:
Rank:
9/
Top 20%10
6493 Route 309
New Tripoli, PA 18066
(610) 298-8661
New Tripoli, PA 18066
(610) 298-8661
Grades: 9-12
| 653 students
Rank: #44.
Whitehall High School
(Math: 65-69% | Reading: 70%)
Rank:
Rank:
9/
Top 20%10
3800 Mechanicsville Rd
Whitehall, PA 18052
(610) 437-5081
Whitehall, PA 18052
(610) 437-5081
Grades: 9-12
| 1,447 students
Rank: #55.
Emmaus High School
(Math: 70% | Reading: 68%)
Rank:
Rank:
9/
Top 20%10
500 Macungie Ave
Emmaus, PA 18049
(610) 965-1651
Emmaus, PA 18049
(610) 965-1651
Grades: 9-12
| 2,819 students
Rank: #66.
Salisbury Sr. High School
(Math: 40-49% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
500 E Montgomery St
Allentown, PA 18103
(610) 797-4107
Allentown, PA 18103
(610) 797-4107
Grades: 9-12
| 545 students
Rank: #77.
Building 21 Allentown
Magnet School
(Math: 40-59% | Reading: <50% )
Rank:
Rank:
6/
Top 50%10
265 Lehigh St
Allentown, PA 18102
(484) 765-4400
Allentown, PA 18102
(484) 765-4400
Grades: 9-12
| 411 students
Rank: #88.
Northern Lehigh Sr. High School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
1 Bulldog Ln
Slatington, PA 18080
(610) 767-9832
Slatington, PA 18080
(610) 767-9832
Grades: 9-12
| 481 students
Rank: #99.
Lehigh Career And Technical Institute
Vocational School
(Math: <50% | Reading: 40-59%)
Rank:
Rank:
5/
Bottom 50%10
4500 Education Park Drive
Schnecksville, PA 18078
(610) 799-1323
Schnecksville, PA 18078
(610) 799-1323
Grades: 9-12
| 249 students
Rank: #1010.
William Allen High School
(Math: 27% | Reading: 36%)
Rank:
Rank:
3/
Bottom 50%10
106 N 17th St
Allentown, PA 18104
(484) 765-5001
Allentown, PA 18104
(484) 765-5001
Grades: 9-12
| 2,984 students
Rank: #1111.
Louis E Dieruff High School
(Math: 25-29% | Reading: 35%)
Rank:
Rank:
3/
Bottom 50%10
815 N Irving St
Allentown, PA 18109
(484) 765-5501
Allentown, PA 18109
(484) 765-5501
Grades: 9-12
| 1,857 students
Rank: #1212.
Executive Education Academy Charter School
Charter School
(Math: 16% | Reading: 36%)
Rank:
Rank:
2/
Bottom 50%10
555 Union Boulevard
Allentown, PA 18109
(610) 841-7044
Allentown, PA 18109
(610) 841-7044
Grades: K-12
| 1,431 students
Rank: #1313.
Roberto Clemente Charter School
Charter School
(Math: 10% | Reading: 27%)
Rank:
Rank:
2/
Bottom 50%10
136 S 4th Street
Allentown, PA 18101
(610) 439-5814
Allentown, PA 18101
(610) 439-5814
Grades: K-12
| 626 students
Rank: #1414.
Lincoln Leadership Academy Charter School
Charter School
(Math: 8% | Reading: 30%)
Rank:
Rank:
2/
Bottom 50%10
1414 E. Cedar St.
Allentown, PA 18109
(484) 860-3300
Allentown, PA 18109
(484) 860-3300
Grades: K-12
| 909 students
Rank: #1515.
Innovative Arts Academy Charter School
Charter School
(Math: ≤1% | Reading: 12%)
Rank:
Rank:
1/
Bottom 50%10
330 Howertown Road
Catasauqua, PA 18032
(610) 403-2787
Catasauqua, PA 18032
(610) 403-2787
Grades: 6-12
| 477 students
Lehigh County Public Schools (Closed)
School
Location
Grades
Students
Allentown Secure Treatment Unt High School (Closed 2006)
Alternative School
1560 Hanover Ave
Allentown, PA 18109
(610) 433-9839
Allentown, PA 18109
(610) 433-9839
Grades: 9-12
| 13 students
424 N 9th St
Allentown, PA 18102
(484) 765-4821
Allentown, PA 18102
(484) 765-4821
Grades: 1-5
| n/a students
517 North 15th St
Allentown, PA 18102
(484) 765-4841
Allentown, PA 18102
(484) 765-4841
Grades: 1-5
| n/a students
5671 Chestnut Street
Old Zionsville, PA 18068
(610) 965-1641
Old Zionsville, PA 18068
(610) 965-1641
Grades: K-2
| 106 students
1402 W Walnut St
Allentown, PA 18102
(484) 765-5441
Allentown, PA 18102
(484) 765-5441
Grades: K
| 173 students
6043 Lower Macungie Rd
Macungie, PA 18062
(610) 395-2341
Macungie, PA 18062
(610) 395-2341
Grades: n/a
| n/a students
7350 Elementary Rd
Coopersburg, PA 18036
(610) 965-4095
Coopersburg, PA 18036
(610) 965-4095
Grades: K-3
| 130 students
1124 W Turner St
Allentown, PA 18102
(484) 765-5461
Allentown, PA 18102
(484) 765-5461
Grades: 1-5
| n/a students
2020 East Pennsylvania St
Allentown, PA 18109
(484) 765-5681
Allentown, PA 18109
(484) 765-5681
Grades: PK-K
| 309 students
Roberto Clemente Elementary Charter School (Closed 2018)
Charter School
501-509 West Cedar Street
Allentown, PA 18102
(610) 351-4310
Allentown, PA 18102
(610) 351-4310
Grades: K-5
| 304 students
3201 Devonshire Rd
Allentown, PA 18103
(610) 797-1688
Allentown, PA 18103
(610) 797-1688
Grades: K-5
| n/a students
307 W Emmaus Ave
Allentown, PA 18103
(484) 765-4481
Allentown, PA 18103
(484) 765-4481
Grades: PK-K
| 277 students
Frequently Asked Questions
What are the top ranked public high schools in Lehigh County, PA?
The top ranked public high schools in Lehigh County, PA include Southern Lehigh Sr. High School, Parkland High School and Northwestern Lehigh High School.
How many public high schools are located in Lehigh County?
15 public high schools are located in Lehigh County.
What is the racial composition of students in Lehigh County?
Lehigh County public high schools minority enrollment is 63% of the student body (majority Hispanic), which is more than the Pennsylvania public high schools average of 39% (majority Black and Hispanic).
Which public high schools in Lehigh County are often viewed compared to one another?
Popular comparisons of public high schools in Lehigh County include: Northwestern Lehigh High School vs. Parkland High School, Emmaus High School vs. Parkland High School, Southern Lehigh Sr. High School vs. Parkland High School
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