St. Francis Xavier's College, Sycamore Street, Kowloon, Hong Kong. Date of photo 1957. Classes began at the site in December 1955.
About the school: http://sfxc.edu.hk/
Photo source: uwants.com - post #3789 by user 4rex - http://www.uwants.com/viewthread.php?tid=14833421&page=253#pid228905692