In 1998, there was a major shift in the medium of instruction in Hong Kong secondary schools from English to Chinese. This change had many educational advantages. However, its implementation was not without problems, and many of the problems were non-trivial. This article reports the work of a computer network, specifically established to support the educational change and discuss about the strategy to provide effective support to educational changes through computer networking, including issues on service positions, content provision and the development of network culture interaction.