Background: Dengue fever (DF) is the most common mosquito-borne viral disease that affects humans. It has become a major health problem in Sri-Lanka. School teachers can act as knowledge of dengue transferring and behaviors related to dengue changing agents of students in particular and community in general. 

Aim: This qualitative study aimed to get insight on knowledge, attitudes and practices of dengue fever prevention among, school teachers in a Medical Officer of Health Area in Central Sri-Lanka.

Method: Data was collected through focus group discussions and semi-structured interviews. The material was analyzed by using qualitative content analysis.

Findings: The analysis comprises four main categories and nine sub categories which describe school teachers’ knowledge, attitude and preventive practices of DF.The study showed that the participants knew most about the mode of spread and symptoms of dengue fever. Participants made contribution at home as well as in schools to control vector breeding. Participants reiterated that although the government took some preventive measures, they were inadequate.

Conclusion: School teachers can be used as change agent in dengue prevention in the community due to their positive attitudes towards dengue prevention and their social position.