Usually between seven and thirteen
Education
The thread ceremony, and the beginning of formal learning.
Known as Upanayana, Munji, Janeu or Brahmopadesham depending on where your family is from. A longer ceremony — often a full morning — and traditionally involving the wider family.
Traditions differ by family and region. A Pandit can tell you what yours expects — free, and with no obligation to book.
Ask a Pandit