For the 2026 school year, there are 3 public high schools serving 1,084 students in Union County, PA.
The top-ranked public high schools in Union County, PA are Lewisburg High School and Mifflinburg Area Sr. High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, PA public high schools have an average math proficiency score of 40% (versus the Pennsylvania public high school average of 30%), and reading proficiency score of 72% (versus the 58% statewide average). High schools in Union County have an average ranking of 10/10, which is in the top 10% of Pennsylvania public high schools.
Union County, PA public high school have a Graduation Rate of 93%, which is more than the Pennsylvania average of 88%.
The school with highest graduation rate is Lewisburg 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 17% of the student body (majority Hispanic), which is less than the Pennsylvania public high school average of 40% (majority Hispanic and Black).
Best Public High Schools in Union County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Lewisburg High School
(Math: 40-49% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
545 Newman Rd
Lewisburg, PA 17837
(570) 523-3220
Lewisburg, PA 17837
(570) 523-3220
Gr: 9-12 | 551 students Student-teacher ratio: 13:1 Minority enrollment: 24%
Rank: #22.
Mifflinburg Area Sr. High School
(Math: 35-39% | Reading: 65-69%)
Rank:
Rank:
7/
Top 50%10
75 Market St
Mifflinburg, PA 17844
(570) 966-8230
Mifflinburg, PA 17844
(570) 966-8230
Gr: 9-12 | 499 students Student-teacher ratio: 12:1 Minority enrollment: 10%
Rank: n/an/a
Sun Area Technical Institute
Vocational School
815 Market St
New Berlin, PA 17855
(570) 966-1031
New Berlin, PA 17855
(570) 966-1031
Gr: 9-12 | 14 students Student-teacher ratio: 1:1 Minority enrollment: 14%
Frequently Asked Questions
What are the top-ranked public high schools in Union County, PA?
The top-ranked public high schools in Union County, PA include Lewisburg High School and Mifflinburg Area Sr. High School.
How many public high schools are located in Union County?
3 public high schools are located in Union County.
What is the racial composition of students in Union County?
Union County public high schools minority enrollment is 17% of the student body (majority Hispanic), which is less than the Pennsylvania public high schools average of 40% (majority Hispanic and Black).
Which public high schools in Union County are often viewed compared to one another?
Popular comparisons of public high schools in Union County include: Mifflinburg Area Sr. High School vs. Lewisburg High School, Lewisburg High School vs. Mifflinburg Area Sr. High School
Recent Articles
Gifted, Honors, and Advanced Tracks: Are They Accessible or Just Advertised?
Learn how to evaluate gifted, honors, and advanced academic programs in public schools, including admission criteria, equity, and the questions every parent should ask.
Algebra Readiness: What Parents Should Ask Before Middle School
Discover how to determine if your child is ready for algebra before middle school, including the questions parents should ask and the skills students need to succeed.
How to Evaluate Reading Instruction in Your Zoned Elementary School
Learn how to evaluate reading instruction in your neighborhood elementary school by recognizing effective literacy practices, asking the right questions, and understanding what quality reading instruction looks like.