50%, basically 50% after five years. people have lacked the support. what tenure should be is fundamental fairness. it should not excuse people who are not performing well. that s why as you know and we talked about on this show many time, the first thing we tried to do for the last year and a half is to fundamentally change the observation and evaluation system for teachers. from that has been broken meaning the principal comes in and observes you once a year to that says let s look at improvement for teachers and teacher practice and opportunity learning and see if teachers are doing the job they ought to be doing and let s replicate that which works and get rid of that which does not. when are teachers are fire and more to be fired if they don t meet standards, assuming she is still there, let s see what she had to say last night