Albany Free School is one of the original "free Schools" in the US. Founded by Mary Leue in 1969, it is based on the philosophy and ideas of Summerhill.
Chris Mercogliano, one of the first teachers there, has written several books about the school and about childhood including Making it up as We Go Along possibly the most famous.
From the website - Founded in 1921, by AS Neil, Summerhill continues to be an influential model for progressive, democratic education around the world.
Summerhill is the oldest children's democracy in the world. It is probably the most famous alternative or 'free' school."
FairTest is the website my son, Ian, and I used when he was first applying to colleges, in 2011, and wanted to find the universities that did not require SAT scores. The list was fairly long then, but is now much longer. Schools are realizing that standardized test scores do not determine success or failure in college, or, anything else, for that matter.
Blake Boles is the founder of Unschool Adventures where he designs and leads experimental programs for 14-20 year olds. He has also written four books – The Art of Self-Directed Learning, The Unschool Adventures to Online Travel Fundraising, Better than College, and College Without High School.