Kalavalli Arul, a dedicated Head Teacher at Singadivakkam School in Kanchipuram, has become a beacon of positive change in her educational community. Teaching in Tamil Nadu's Kallakurichi district, Kalavalli's commitment to ensuring the best for her students and teachers has transformed her school environment.Kalavalli Arul, a dedicated Head Teacher at Singadivakkam School in Kanchipuram, has become a beacon of positive change in her educational community. Teaching in Tamil Nadu's Kallakurichi district, Kalavalli's commitment to ensuring the best for her students and teachers has transformed her school environment.