Мs. Nimala Perera joined the Tutorial Staff of St. Joseph's College on the 1st of January 1977. She's a graduate from the University of Peradeniya. She started her teaching in the Advanced Level Section as an Economics teacher and later taught Social Studies, History, Geography and Civics in the Upper School.
After serving in many capacities for a good number of years she was appointed as the Principal of the Middle School. At present she holds the post of "Principal - Administration and Quality Assurance". Besides holding key positions, she is in charge of the Interact Club and the Students' Saving Centre. Her motherly and friendly guidance has taken the Interact Club to the national arena. She is a friend and a mother to many.