Gayathiri read Theology at Worcester College, University of Oxford where she achieved a First Class degree. She then went on to complete an MPhil in Theology and Religious Studies at Hughes Hall College, University of Cambridge, with a special focus on 20th century Hinduism.
During both her undergraduate and postgraduate degrees she was highly involved with student theatre, acting on various stages in both Oxford and Cambridge. Gayathiri is excellent with students of all ages having teaching experience ranging from young children to students preparing for IB/A Levels. She has also taught in both Hong Kong and Shanghai alongside helping students prepare for university interviews.