Hardy Williams High - Mastery Charter School


Hardy Williams High is now accepting applications for the 2024-2025 school year. Please follow the steps below to apply online.

  • Visit Apply Philly Charter
  • Log in or create an account
  • Fill out your family profile and add your child as a student
  • Click on the Apply for September 2024 button
  • Select Mastery Charter School: Hardy Williams High School as the school to which you would like to apply
  • Submit your application

Please note: If you are looking for a seat for your child for the current school year (2023-2024), you can still apply online today using Apply Philly Charter. Just click on the “Apply for Current Year” button to start your application once you’ve logged in.

Have questions about our school or need help navigating the process? Complete and submit this form, and a Mastery enrollment specialist will reach out to answer your questions and help you apply.

Your Community School in Southwest Philadelphia

Welcome to Hardy Williams High, recognized by the School District of Philadelphia for 3 consecutive years of academic growth! (SPR 2018-19)

We’re a free, public charter school serving 625 students in grades 7-12.

We are one of just a few schools in Philadelphia with a STEM Honors program that starts in 7th grade. All of our sophomores participate in an internship program to explore different careers. And our upperclassmen can take AP classes and participate in a dual enrollment program to earn college credits while they are still in high school.

Students have access to tons of sports and extracurricular activities including band, football, track & field and eSports.

At Hardy Williams, all students learn and thrive. With love and high expectations, we support them in finding their own paths to success.

Stop by and visit us any time!





Our School

Our academically rigorous program prepares students for success after graduation

We offer:

  • Varied Courses
      • Range of courses from introductory to college level
      • AP classes give students the opportunity to earn college credits
      • STEM Honors program
  • College and Career Prep
    • Sophomores complete an 18-week internship
    • Seniors go on college visits, take a senior seminar course, get assistance applying for scholarships & loans and support with the college application process
    • Students graduate with a plan to enter college, the workforce or a pathway of their choice
  • Special Education Programming
    • We provide comprehensive special education programming to meet the individualized needs of each child, including:
      • Individualized Education Plans
      • Academic Interventions
      • Low Incidence Programs  (Autistic Support, Multiple Disabilities, Life Skills)
      • Emotional Support
      • English as a Second Language (ESL)
      • Psychological and Social Services

Hardy students have tons of sports, clubs and extracurricular activities to choose from, including:

  • Band
  • Basketball
  • Cheerleading
  • Choir
  • Cross Country
  • Dance
  • Debate
  • Drama
  • Field Hockey
  • Film Club
  • Football
  • Glee Club
  • National Honor Society
  • Newspaper
  • Poetry Slam
  • Robotics
  • Step Team
  • Student Council
  • Track and Field
  • Volleyball

Visit our Athletics website at https://masterycharter.org/athletics

We’re a member of the PIAA (Pennsylvania Interscholastic Athletic Association) within the District XII Public League. Our middle school teams play in a variety of leagues across the city.


Athletics Calendar

  • The STEM Honors program offered at Hardy Williams High prepares students for college and the workforce through a rigorous program rooted in Science, Technology, Engineering and Math (STEM) skills and concepts.
  • Students learn critical and creative thinking skills, communication and collaboration, and real-world problem-solving.
  • The program uses Project Lead the Way, a hands-on design curriculum, and is aligned to Common Core and Next Generation Science Standards.
  • Students in grades 7-12 can apply to participate in the program.
  • Students who are accepted to the program participate in various opportunities that accelerate their learning, such as engaging summer programs, dual enrollment, and STEM enrichment activities.

Uniform shirts can be purchased through the vendors listed below.  All shirts must have Hardy High Mastery Logo and the correct color for their incoming grade for the 2023-2024 school year
Triple Play – Address: 827 S. 9th Street Philadelphia, PA 19147   Phone: 215- 923- 5466
Flynn O’Hara – Address: 30 E. Baltimore Avenue Clifton Heights PA 19018  Phone: 610-284-1485
Hardy High Front Desk – We will have a limited supply of shirts to sell as of 8/21/23
             (First come first serve basis)

Any student living in Philadelphia is eligible to apply for the lottery at Hardy Williams Academy, however preference is given to current students at Harrity Elementary. 

Our Team

Justin Meltzer, Principal

[email protected]

Justin Meltzer is the proud principal of Hardy Williams High, located in Southwest Philadelphia. He started his career teaching 7th and 8th grade English at Hardy High back in 2011. Once the school expanded to include 11th graders, he also taught AP Language. After teaching at Hardy High from 2011-2016, he joined the leadership team where he served as the assistant principal of instruction until 2022, focusing on English and History. Mr. Meltzer earned his Bachelor of Arts at Brandeis University where he dual-majored in economics and business and minored in philosophy. He earned his master’s degree in education at the University of Pennsylvania. Mr. Meltzer’s vision for the school is to create opportunities for all students while inspiring them to be the best versions of themselves. His goals include pursuing equity and elevating student voice and staff voice so that they acquire more ownership in shaping the community.

Our staff is available to support you and your child throughout their school experience. We are available to meet with families and answer questions via the email addresses listed here.


In the News

Four Mastery Schools Awarded for Academic Growth

Read Article

"There's a charter school called Mastery in Philadelphia. And in just two years, three of the schools that Mastery has taken over have seen reading and math levels nearly double - in some cases, triple...Now, if a school like Mastery can do it, every troubled school can do it."

-President Barack Obama