Harker students participated in two math competitions last month, with commendable results in both. On Feb. 19, at the Harvard-MIT Math Tournament, the Harker team of senior Alex Hu, junior Sally Zhu, 10th graders Olivia Xu and William Zhang, and ninth grader Jonny Xue, placed 29th out of 91 teams, their best performance in the competition since Harker began participating in 2016. In the Carnegie-Mellon Informatics and Mathematics Competition, held virtually on Feb. 27, the team of Hu, Zhu and juniors Stephen Xia and Anthony Tong placed seventh in the Theoretical Computer Science portion.