Thomas Jefferson High School for Science and Technology was placed first among all the international schools that participated in University of Toronto's 2019 National Biology Competition. TJHSST was placed first among 92 international schools that participated from outside of Canada. The top 5 participants from TJHSST whose scores contributed for TJHSST's first place were Derrick Liang (Junior), Dhanush Banka (Sophomore), Edward Lue (Junior), Sabrian Cai (Junior) and Siddharth Krishnakumar (Sophomore). In addition, Derrick Liang was the first place individual winner among the 1366 international school students who participated in the competition.