The purpose of this research is to study the communicable diseases knowledge of Higher secondary students in relation to their mental health. Communicable diseases knowledge test is constructed and validated by the investigator and mental health inventory is standardized by Jagadish&A.K.Srivastava. Eight hundred higher secondary students studying in Ramanathapuram educational district are selected as sample through random sampling technique. The normative survey method is used in the study. The major findings indicate that the there is no significant difference between male and female higher secondary students in respect of their communicable diseases knowledge and mental health and there is significant positive relationship between communicable diseases knowledge and mental health.
Keywords: Communicable diseases knowledge, Mental health.
 Ph.D. Research scholar, Department of Education, Annamalai University, India
 Assistant Professor, Department of Education, Annamalai University, India