In the recent education reform, teachers are encouraged to take a more active guidance role in teaching, learning and solving student disciplinary problems under the comprehensive school guidance system promoted in public documents in Hong Kong. The whole school approach to student guidance has been evolved for more than a decade in schools, but to what extent is the comprehensive guidance system approach an advance in education leadership, or just another empty slogan? This paper investigates how teachers coping with change in five primary schools perceived their changing guidance roles under the system approach model: from understanding the aims of education and guidance; strategies used for teacher-student interaction and solving student problems, participation in guidance activities in schools; to the design and implementation of the personal growth and guidance curriculum since the education reform in 2002. Qualitative research methods include the use of survey questionnaires; in-depth interviews, classroom observation and school visits. Results showed that teachers appreciated the education and guidance rationale for whole person development for the majority of students with educational, developmental and preventative approaches whilst specialists would be provided for remedial service. Most participant teachers considered that teaching was their primary role and sitting for the competence language tests was their immediate concern for job survival in the current education reform. Although teachers were more prepared to take a broader perspective to respond to the needs of students implicitly, to participate more in the guidance activities and involve more in the design and implementation of the guidance curriculum, they found it difficult to achieve an effective guidance role owing to the lack of time and resources. Unless more resources and support are provided for teacher development, the comprehensive guidance system approach for a child’s whole person development