On 9 October 2015, a half-day sharing seminar of the Teacher Professional Development Programme on "Application of Theory of Variation in Lesson Study for Special Schools (2014-15) " commissioned by EDB was conducted by Dr Ko Po Yuk, Dr Lai Meng Choo and Ms Leung Ka Wai (Teaching Fellow I, Department of Curriculum and Instruction, The Hong Kong Institute of Education) with favourable feedback. It aims to disseminate the outcomes and insights of the research lessons for local special schools.