https://www.stgss.edu.hk/wp-content/themes/osmosis/images/empty/thumbnail.jpg 150 150 STGSS STGSS https://www.stgss.edu.hk/wp-content/themes/osmosis/images/empty/thumbnail.jpg 24th September 2021 24th September 2021 2021/2022 申請人須知及表格