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Knowledge Gap: Stories about broken education systems

August 14, 2026 · 26 min

Show notes

In this week’s episode, both of our storytellers uncover cracks in the education system that prove harder to ignore than they expected.

Part 1: While teaching a summer school math class in Texas, Justine Ang Fonte realizes that many of her students have never received even the most basic sex education.

Part 2: Guilherme Lichand uncovers a flaw in Brazil’s education system that leaves thousands of children with invisible disabilities unidentified and unsupported.

Justine Ang Fonte, M.Ed, MPH is the child of Philippine immigrants and an award-winning sex educator, international keynote speaker, and professor based in New York City. She received her Master’s in Education in Teaching from the University of Hawai’i and her Master’s in Public Health in Sexuality from Columbia University. She has been featured in The New York Times, NPR, Glamour, and the BBC and Hulu docuseries, Planet Sex. Justine is the author and voice of the Audible Original, How to Talk to Your Kids About Sex and is the co-editor of the award-winning book, Fundamental Concepts and Critical Developments in Sex Education.

Guilherme is proudly Brazilian. His research focuses on the sources of educational inequities in the global South and on solutions with the potential to overturn them. He is co-director at the Stanford Lemann Center and a faculty affiliate at the Stanford King Center on Global Development and at the Stanford Center on Early Childhood. He holds a PhD in Political Economy and Government from Harvard University. He was previously the UNICEF Professor of Child Well-being and Development at the University of Zurich. Guilherme is also a co-founder of Brazilian EdTech Movva, a student success management system supporting vulnerable students graduate college. He was acknowledged by the Schwab Foundation as top-10 Brazilian social entrepreneur in 2020 (post-Covid legacy) and by MIT Technology Review as the top under-35 Brazilian innovator in 2014. His research has been published in numerous scientific journals, including the Proceedings of the National Academy of Sciences (PNAS) and Nature Human Behavior, and campaigns featuring his work won multiple awards, including two lions at the Cannes Lions International Festival of Creativity.

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