What will schools of the future look like?

What does the school of the future look like?

"Teachers seem to agree that "the school of the future will have no walls, be highly tech-infused, and available to more people than ever before".

http://edudemic.com/2012/12/what-schools-will-look-like-in-the-year-2020/


Do you agree? What would the advantages and disadvantages of these developments be?