The Catholic League

Play makes children nimble—neurobiologically, mentally, behaviorally—capable of adapting to a rapidly evolving world. That makes it just about the best preparation for life in the 21st century. Psychologists believe that play cajoles people toward their human potential because it preserves all the possibilities nervous systems tend to otherwise prune away...

There's only one graduation requirement and over 95 percent of students meet it. They have to write and present a thesis about how they're prepared to be an adult. It takes time to write, even more time to figure out

...Students have become lute-makers, auto technicians, musicians, equestrian-farmers, dedicated environmentalists. Some have started their own companies at 18. Others take retail or service jobs to get money for travel abroad...They do what they do not by default or by obligation but from a sense of understanding what they're doing and why...
(and) go on to lead deeply satisfying lives. Most are unusually resilient. Almost all feel that they are in control of their destiny.

The alumni study shows that a "spectacularly high number" pursue careers in the arts—music, art, dance, writing, acting. Math, business and education are popular routes, too.

...It may be...that the Sudbury-style schools work so well because they are small...But on a 10-acre estate in Massachusetts, 200 kids are having a hell of a time preparing for the future.