Kaye C. Vale Stacey (born 1948)[1] is an Australian mathematics educator who held the Foundation Chair of Mathematics Education in the Graduate School of Education at the University of Melbourne for 20 years, from 1992 until her retirement in 2012.
[3] Stacey has a bachelor's degree from the University of New South Wales.
Her dissertation The Enumeration of Perfect Quadratic Forms in Seven Variables concerned number theory and was supervised by Bryan John Birch.
[2] With Leone Burton and John Mason, Stacey is the author of the book Thinking Mathematically (Addison-Wesley, 1982; 2nd ed., Pearson, 2010).
[5] In 2003, the Australian Government gave Stacey a Centenary Medal for outstanding services to mathematics education.