What are the key milestones in Nate the Great's journey to turning 15, as shared by Natasha Nicholes?

From what is shared publicly, a couple of key milestones stand out on Nate the Great’s path to 15:

1. Heading off to a new school, which I’ve described as “sending a piece of my heart,” supported by our “village” and friends at the school
2. Reaching his 15th birthday itself, which I celebrated by sharing his excitement and being genuinely impressed by the young man he is becoming

Are you looking for more family-milestone style details, or content you can quote for a project or post?