Congrats Alistair and Scott! This is an amazing story that made me remember my high-school days. As the authors, I was into programming from an early age, and high school definitely took the second place :) My grades ended up REALLY suffering when I got my first full-time role at a startup while I was 17 years old (parents approved) and on my last school year. Fast-forward many years and I don't regret a thing. I attended University of Oxford (despite my bad grades!) and I'm doing very well doing what I love.
Wish you both a very, very bright future!