While each state has a quality rating and improvement system to assess the quality of early childhood programs, each system was in varying stages of development at the time the data was obtained. (americanprogress.org)
The teams are at varying stages of development in the implementation of teacher evaluation systems and the Common Core standards. (turnweb.org)
They've also looked to distant, younger solar systems still in varying stages of development. (science.howstuffworks.com)