So what kind of teachers could a school get if it paid them US$125,000 a year? An accomplished violist who infuses her music lessons with the neuroscience of why one needs to practise, and creatively worded instructions such as: "Pass the melody gently, as if it were a bowl of Jell-O." A self-described "explorer" from Arizona who spent three decades honing her craft at public, private, urban and rural schools. Two with Ivy League degrees.
and 
.... ...the "pricing" volatility is selected dynamically from the two extreme values 
