The main purpose of the Chief Directorate was to develop and guide theimplementation of policies and programmes to: . Coordinate and monitor the implementation of the National School Nutrition Programme (NSNP) . Promote health and healthy lifestyles . Coordinate the development and implementation of an integrated comprehensive HIV response The chief directorate also dealt with addressing barriers to learning which included: . Societal barriers - poverty, child-headed households, children living on the streets, children affected by HIV and Aids . Intrinsic barriers - physical, psychosocial and health related problems . Pedagogy barriers - inappropriate teaching methods, learning and teaching material, inappropriate assessment procedures . Systemic barriers - inadequate facilities, overcrowded classrooms, lack of basic learning material