From Coasties to K-Poppers, the US is home to a range of teen subcultures. In the third of a series exploring Gen Z and Gen Y tribes, Andrea Graham Richeson delves into the overscheduled world of Alpha Achievers. Do these ambitious teens embody the model student and future star employee?

They don’t smoke, they don’t drink, and they want nothing more than to own a house and start a business. The kids of Generation Z may not even be 20 yet, but they've already earned a reputation as a bunch of squares. But are these digital natives really born to be mild?

For today's youth, neo-tribalism is the new clique. Leaving blind conformity behind, these fast-moving, flexible cultures are a cocktail of affiliations and references, always shifting and reforming. But if everyone can be whoever they like, how do you know who’s in or out?

Juggling studying and debt is an increasing challenge for college students in the US, but Luvo is offering a way to alleviate their burden. Its website makes selling notes to classmates easy and profitable, but why have these jottings suddenly turned into veritable gold dust?