In the Hong Kong Institute of Education, Co-operating Teacher Scheme (CTS) is an important element of the School Experience. Its aims are to let students obtain various forms of support as they first enter the school, progressively learn about a teacher's work and progressively develop professional ability and reflective skills and habits. It was implemented in the initial primary teacher education programmes in 1994. The focus of the present study is to view from the perspective of student-teachers and study what they have really learned from the CTS; how they perceived the relative effectiveness or importance of different phases of the scheme; how they perceived the difference between the roles of the co-operating teacher and the practicum tutor. In the Hong Kong Institute of Education, Co-operating Teacher Scheme (CTS) is an important element of the School Experience. Its aims are to let student teachers obtain various forms of support as they first enter the school; progressively learn about a teacher's work and progressively develop professional ability and reflective skills and habits. The study was conducted within a month after the completion of the CTS. There are quantitative and qualitative components. From the list of 130 schools participating in the Scheme in 95-96, eighty schools were selected randomly. School heads and co-operating teachers were invited to complete a questionnaire. At the same time, in the Institute 71 practicum tutors and 707 student teachers also completed a questionnaire. Futermore, 6 school heads, 12 co-operating teachers, 10 practicum tutors and 10 student teachers were interviewed in order to collect information in addition to that obtained from the questionnaire. The present paper only focuses on the data obtained from the student teachers in order to study the CTS as a learning experience from the perspective of student teachers. From the data of the questionnaire, on the whole, the student teachers supported the implementation