… standards, by themselves, do not improve education. Standards can do a great deal: they can set clear goals for learning for students and teachers, and establish guidelines for instruction and performance.
But to have an effect on the day-to-day interaction between students and teachers, and thus improve learning, you have to implement the standards. That will require changes in curricula and assessments to align with the standards, professional development to ensure that teachers know what they are expected to teach, and ultimately, changes in teacher education so that all teachers have the capability to teach all students to the standards. The standards are only the first step on the road to higher levels of learning…
From: Five Myths About the Common Core State Standards