The building at 25 & 27 Kennedy Road, Wan Chai (I.L.1931) was originally the villa of Tang King Po. The Public Works Report for 1916 refers:
Works completed: 2 European Houses I.L.’s 1931 and 1938, Kennedy Road.
Tang donated the building in 1965 which was rebuilt into a school. (source)
Hong Kong Tang King Po College is a secondary school for boys under the sponsorship of the Society of St. Francis De Sales, it opened in 1965.
See also this post.