Past HMChO Exams and Awards
Inaugural HMChO: Virtual, 2025
Both parts of the exam with their solutions can be accessed here.
177 students competed in HMChO 2025; over 20 countries had students sign up to compete.
Awards Given:
Winners to the top 8 students (listed below in rank-order)
High Honors to the top 25 students (listed alphabetically)
Honors to the top 50 students (listed alphabetically)
Special Awards to the top 3 students in 9th-10th grade (listed below in rank-order)
Winners
Anna Xing
Max Zhou
Sally Han
Daniel Ding
William Wang
Samuel Xu
Eric Chen
Evan Liu
High Honors
Aarush Das
Anja Luise Liwanetz
Campbell Ruffing
Daniel Jiang
Gul Lalai Khan
Hrishi Desai
Hyunjun Kim
I-Shan Tsai
Jai Dave
Jenna Ke
Jieoh Ahn
Kian Dhawan
Leahu Bianca-Sofia
Magnus Lennart
Güldenpfennig
Sanjay Oruganti
Theenash Sengupta
Zhijia Zhang
Honors
Aaron Zhu
Adish Pudale
Aiden Seo
Alexander Ponomarev
Angela Huang
Daniel Lu
David Guo
Emma Liu
Hannah Ke
Jaishivan Sivanesan Paranam
Jazzy Rogando
Kevin Chen
Kevin Wu
Lennox Pfeifer
Leon Zhang
Lucas Liu
Luke Rushing
Niklas Damian Rajczy
Ruxandra Salagean
Sophia Fan
Timothy Oh
Varun Rodrigues
Vishnu Mangipudi
Yap Han Yuan
Yucheng (Oliver) Jing
Special Award (Top 9-10th graders)
William Wang
Eric Chen
Gul Lalai Khan