Middle School in Hsinchu County American School (HCAS) will include fifth, sixth, seventh, and eighth grades. From the 2018-2019 academic year, the Middle School homerooms will be housed on the 3rd floor of the building. The lower Middle School includes grades 5 and 6 and upper Middle School grades includes grades 5, 6, 7 and 8.
G9 Paul Wang won the 1st place medal at the Super Champ held by USTA Texas Youth. Super Champ at USTA Texas Youth is rank the highest level of junior tennis play and 2nd in all of the tournaments in Texas.