STEM Scholars celebrates inaugural Trial by Science at Parktown High School for Girls
From Classroom Curiosity to Real-World Innovation: Grade 8 and 9 learners showcase science-driven solutions at STEM Scholars South Africa’s inaugural Trial by Science Expo and Competition.
The inaugural Trial by Science 2026 workshop and competition ended on a high at Parktown High School for Girls in Johannesburg, with Grade 8 and 9 learners showcasing innovative science projects developed during a four-week STEM Scholars South Africa programme.
At the closing expo, learners presented their projects to a panel of expert judges, demonstrating impressive scientific thinking, creativity and confidence.
The event which took place last week also featured an awards ceremony, networking opportunities with STEM professionals, and an exciting chemistry demonstration by the University of the Witwatersrand’s School of Chemistry.
Founded by Parktown Girls alumna Dr Marushka Soobben, STEM Scholars aims to give young learners meaningful exposure to science, mentorship and real-world problem-solving opportunities.
“These learners proved that when young people are given real exposure to science, real mentors and a real stage, they rise to meet the challenge every single time,” said Dr Soobben.
Top honours went to Taylor Heldsinger for Safeview, a sensor that uses ultrasonic technology to that plugs into a laptop to determine a safe viewing distance from your screen. Bukhosi Hlophe secured second place with an innovative evaporative cooling system designed to preserve food without electricity. Rachel McBain Charles placed third for her atmospheric water generation project addressing water scarcity. The Catalyst Award was presented to Jodi Murphy for her energy-efficient kettle design.
The judges praised the high standard of entries, noting the learners’ ability to apply scientific principles to solve real-world challenges. Industry partners, including Separations, Thermo Fisher Scientific, Diplomics and Marang a Kitso Tutoring, supported the event through prizes, mentorship and work-shadowing opportunities.
Following the success of the pilot programme, STEM Scholars plans to expand Trial by Science to more high schools in 2027, continuing its mission to nurture the next generation of South African scientists and innovators.
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