CHO Kwan Nok & PIEN King Ho of Shun Tak Fraternal Association Yung Yau College, Hong Kong at the oral defense.
Prof. Shing-Tung YAU with assessment panel
LI Chung Shing, LAM Ho Yu & LEUNG Ho Yin of Carmel Pak U Secondary School, Hong Kong at the oral defense.
CHEUNG Jit Hei of King's College, Hong Kong with teacher preparing for the oral defense
Kin Long LOU & Sam I CHEONG of Pui Ching Middle School Macau, Macao at the oral defense.
Siddhant DOSHI, Aayush MANAPAT & Adarsh SURESH of The International School Bangalore, India before the oral defense
LIU Ming Yin, YAU Long Kit & CHENG Po Hei of G.T. (Ellen Yeung) College, Hong Kong at the oral defense.
YUE Ho Tin of Hoi Ping Chamber of Commerce Secondary School, Hong Kong preparing for the oral defense
CHAN Ka Man & LAM Ching Yan of Wa Ying College, Hong Kong at the oral defense.
WONG Ka Hei & YU Wing Ching of The Chinese Foundation Secondary School, Hong Kong with teacher before the oral defense
CHOI Ching Lam of Diocesan Girls' School, Hong Kong at the oral defense.
LEE Ka Ying, Angela, KWOK Chun Chak, Perry & WONG Kai Chiu, Bosco of Christian and Missionary Alliance Sun Kei Secondary School, Hong Kong at the registration
2019 YHSA Finale held on 13-14 Dec in Tsinghua University, Beijing