For the 2026 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 24% (versus the Pennsylvania public high school average of 30%), and reading proficiency score of 51% (versus the 58% statewide average). High schools in Lehigh County have an average ranking of 2/10, 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 Southern Lehigh Sr. High School, with 97% 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 40% (majority Hispanic and Black).
Best Public High Schools in Lehigh County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Southern Lehigh Sr. High School
(Math: 60-64% | Reading: 84%)
Rank:
Rank:
10/
Top 10%10
5800 Main St
Center Valley, PA 18034
(610) 282-1421
Center Valley, PA 18034
(610) 282-1421
Gr: 9-12 | 1,013 student Student-teacher ratio: 15:1 Minority enrollment: 19%
Rank: #22.
Parkland High School
(Math: 54% | Reading: 80%)
Rank:
Rank:
9/
Top 20%10
2700 N Cedar Crest Blvd
Allentown, PA 18104
(610) 351-5600
Allentown, PA 18104
(610) 351-5600
Gr: 9-12 | 3,279 students Student-teacher ratio: 16:1 Minority enrollment: 44%
Rank: #33.
Northwestern Lehigh High School
(Math: 40-44% | Reading: 65-69%)
Rank:
Rank:
7/
Top 50%10
6493 Route 309
New Tripoli, PA 18066
(610) 298-8661
New Tripoli, PA 18066
(610) 298-8661
Gr: 9-12 | 658 students Student-teacher ratio: 13:1 Minority enrollment: 11%
Rank: #44.
Emmaus High School
(Math: 26% | Reading: 68%)
Rank:
Rank:
6/
Top 50%10
500 Macungie Ave
Emmaus, PA 18049
(610) 965-1651
Emmaus, PA 18049
(610) 965-1651
Gr: 9-12 | 2,842 students Student-teacher ratio: 16:1 Minority enrollment: 34%
Rank: #55.
Salisbury Sr. High School
(Math: 30-34% | Reading: 60-64%)
Rank:
Rank:
5/
Bottom 50%10
500 E Montgomery St
Allentown, PA 18103
(610) 797-4107
Allentown, PA 18103
(610) 797-4107
Gr: 9-12 | 546 students Student-teacher ratio: 18:1 Minority enrollment: 47%
Rank: #66.
Whitehall High School
(Math: 17% | Reading: 70%)
Rank:
Rank:
5/
Bottom 50%10
3800 Mechanicsville Rd
Whitehall, PA 18052
(610) 437-5081
Whitehall, PA 18052
(610) 437-5081
Gr: 9-12 | 1,462 student Student-teacher ratio: 16:1 Minority enrollment: 53%
Rank: #77.
Northern Lehigh Sr. High School
(Math: 25-29% | Reading: 50-54%)
Rank:
Rank:
4/
Bottom 50%10
1 Bulldog Ln
Slatington, PA 18080
(610) 767-9832
Slatington, PA 18080
(610) 767-9832
Gr: 9-12 | 502 students Student-teacher ratio: 14:1 Minority enrollment: 26%
Rank: #88.
Lehigh Career And Technical Institute
Vocational School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
3/
Bottom 50%10
4500 Education Park Drive
Schnecksville, PA 18078
(610) 799-1323
Schnecksville, PA 18078
(610) 799-1323
Gr: 9-12 | 22 students Minority enrollment: 23%
Rank: #99.
Executive Education Academy Charter School
Charter School
(Math: 22% | Reading: 36%)
Rank:
Rank:
2/
Bottom 50%10
555 Union Boulevard
Allentown, PA 18109
(610) 841-7044
Allentown, PA 18109
(610) 841-7044
Gr: K-12 | 1,497 student Student-teacher ratio: 14:1 Minority enrollment: 94%
Rank: #1010.
Louis E Dieruff High School
(Math: 16% | Reading: 35%)
Rank:
Rank:
2/
Bottom 50%10
815 N Irving St
Allentown, PA 18109
(484) 765-5501
Allentown, PA 18109
(484) 765-5501
Gr: 9-12 | 1,914 student Student-teacher ratio: 17:1 Minority enrollment: 91%
Rank: #1111.
William Allen High School
(Math: 12% | Reading: 36%)
Rank:
Rank:
2/
Bottom 50%10
106 N 17th St
Allentown, PA 18104
(484) 765-5001
Allentown, PA 18104
(484) 765-5001
Gr: 9-12 | 3,074 students Student-teacher ratio: 20:1 Minority enrollment: 95%
Rank: #1212.
Building 21 Allentown
Magnet School
(Math: ≤10% | Reading: 35-39%)
Rank:
Rank:
2/
Bottom 50%10
265 Lehigh St
Allentown, PA 18102
(484) 765-4400
Allentown, PA 18102
(484) 765-4400
Gr: 9-12 | 415 students Student-teacher ratio: 16:1 Minority enrollment: 97%
Rank: #1313.
Lincoln Leadership Academy Charter School
Charter School
(Math: 13% | Reading: 30%)
Rank:
Rank:
2/
Bottom 50%10
1414 E. Cedar St.
Allentown, PA 18109
(484) 860-3300
Allentown, PA 18109
(484) 860-3300
Gr: K-12 | 973 students Student-teacher ratio: 13:1 Minority enrollment: 96%
Rank: #1414.
Roberto Clemente Charter School
Charter School
(Math: 13% | Reading: 27%)
Rank:
Rank:
2/
Bottom 50%10
136 S 4th Street
Allentown, PA 18101
(610) 439-5814
Allentown, PA 18101
(610) 439-5814
Gr: K-12 | 619 students Student-teacher ratio: 13:1
Rank: #1515.
Innovative Arts Academy Charter School
Charter School
(Math: 4% | Reading: 12%)
Rank:
Rank:
1/
Bottom 50%10
330 Howertown Road
Catasauqua, PA 18032
(610) 403-2787
Catasauqua, PA 18032
(610) 403-2787
Gr: 6-12 | 477 students Student-teacher ratio: 14:1 Minority enrollment: 94%
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 40% (majority Hispanic and Black).
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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