Taking stock of professional development schools

The past 20 years of PDS experimentation and implementation have accumulated a great wealth of stock, as evidenced by a great effort toward collaboration and commitment for school-university partnerships that support high-quality and intensive clinical preparation of teachers. Hence, our Yearbook authors closely examine and critique this stock as they assess what is in place -- and perhaps what needs to be replaced -- if the PDS effort should continue into the future as a "good value" and not be pushed to the back of the education shelf. - Introduction.