A few weeks ago, I was talking with the former principal of a vocational high school. He was thoughtful and enthusiastic and made his former school sound very successful and interesting.

I asked him if the school had followed its students to see how they fared — did they actually go into the fields they had prepared for in high school? Did they succeed?

Normally when I ask that question, educators say they wish they could follow their students systematically — they bemoan the lack of money that hinders that kind of serious research into outcomes. Instead, they usually say, they have to rely on the students who stop by once in a while or keep in touch by e-mail.

Read the full article on The Huffington Post Education.