In a high school wood shop environment, the poor old brake doesn't stand a chance!
Several high school agriculture shops in Arkansas are now using the Saw Stop table saw. I am a ag. teacher myself and I wish I had one. The teachers I know that have the saws in their shops do not tell the students what it does. You would have kids wanting to "try it out" all the time. I believe the replacement fuses run about $60 if I remember correctly. After a couple of years of use they say the saws are holding up well to the students.