We don’t need no education?

I’ve been doing a lot of interviews lately, and I’ve been watching the rise of Lambda School — which I think is fantastic, incidentally — and the combination has me wondering two things:how educated do software engineers need to be?
And how well does that map to what they actually learn from formal education?Let’s step back and define some terms before we try to answer those. First, by “formal” education I generally mean a four-year accredited university