Sophia Robertson debated at Cambridge Rindge and Latin in Cambridge, MA for three years, serving as co-captain for two years. In her time on the circuit, she's earned several bids to the Tournament of Champions, including semifinals at the Harvard debate tournament and elimination rounds at Yale, Penn, Princeton, and Lexington Invitational tournaments. She also finaled the Massachusetts state championship and placed as top speaker in the state. With Sebastian Prasanna, she ranked as high as 25th in the nation. In 2022, she created the Cambridge Pre-Debate Summer Program, a one-week program for local middle schoolers to engage with debate and build the pipeline for the high school team.