Harker Programming Club (HPC) hosted the seventh annual Girls Programming League (GPL) Challenge over Zoom on Sept. 21. The event welcomed around 60 female and nonbinary students from around the world and consisted of a two-hour coding contest and a speaker panel of experts in computer science and astronomy.
The top three winners in both divisions earned monetary prizes: first place received $100, second $50 and third $30. Frosh Regina Zhang won first place in the novice division while Azalea Li and Charlotte Li from Hunter College High School, New York, topped the advanced category.
Panelists NASA exoplanet chief scientist Jessie Christiansen, cosmology researcher Maggie Lieu, SpaceX employee Katelyn Sweeney and University of Michigan professor Monica Valluri discussed their technical expertise and exposure to sexism in academia.
“It really sparked my curiosity hearing the speakers share their experiences with working on AI machine learning algorithms for processing astronomical data,” sophomore attendee Elaine Xu said. “It was exciting to hear how things I was learning in school and on my own could be applied to real life or to a career.”
Each panelist highlighted recent technological advancements in their respective fields, including Dr. Lieu’s current work as a research fellow of machine learning and cosmology at the University of Nottingham.
“Machine learning is really a growing field in astronomy because there’s too much data to process in the way that we have traditionally.” Dr. Lieu said. “It’s going to be possible to make new discoveries and find anomalies that humans have missed.”
When reflecting on their high school experiences, the speakers agreed that young students should develop curiosity and open-mindedness.
“I was so focused on ‘what are the boundaries I can push in order to get into a good college?’” Sweeney said. “I wish I had taken a step back and explored. Your job at this stage is to absorb and learn from people around you. Network, open your mind to what the opportunities are and say yes to things that come across your plate, even if they scare you.”
Panelists also shared career-related experiences in facing sexism. Dr. Valluri specializes in theoretical astrophysics, a particularly male-dominted field, and offered her perspective on gender discrimination.
“There’s still a lack of equality in gender representation,” Dr. Valluri said. “Develop a thick skin and find people who will help you feel confident about yourself. Write down your successes and remind yourself of them.”
Students asked questions about the speakers’ work and how to begin developing careers in astronomy or computer science. In particular, the panelists recommended that students learn to code, build study skills and explore their passions.
“Our goal in GPL is to empower people to see themselves in careers in the future,” HPC Co-President Kashish Priyam (12) said. “Being able to see role models that they can look up to and understanding the different trajectories people take to get to such a point can be very motivating but also reassuring for middle school or high school students.”

















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