In 1842, the missionaries were allowed to move to Hong Kong, making Henrietta the first Western woman there. The Shucks were the first Baptist missionaries in Hong Kong. Rev. Shuck established the first Baptist Church in the British colony (Queen's Road Baptist Chapel; now called Hong Kong Baptist Church), and two more soon followed. They converted Yong Seen Sarng, their language teacher. A year after their arrival, Henrietta set up a boarding school for about 15 pupils, both boys and girls. This pioneered education for Chinese girls. By 1844, the expanded school had 32 boarders, and the Shucks also brought many orphans into their home. Henrietta became seriously ill after the birth of their fourth child, but recovered.