SXSW Bloglets- 80% Time

Would you be willing to take 80% of your salary for four years if you could take the fifth year to explore, grow, and serve? Many teachers are taking this opportunity as it provide a breath of fresh perspective, an opportunity to explore life and reset, and rebuild the core from the grind of teaching. How would schools change if 3-4 individuals participated in this type of program each year? What could it do to the learning in that space?