Sound educational theory and abundant
empirical evidence indicate that the Common Core will be most successful when its implementation is
accompanied by intentional and ongoing school - wide efforts to:
Crucially, for many purposes the law also treats as
evidence - based a fourth category comprising activities that have a research - based rationale but lack direct
empirical support — provided, that is, that they are
accompanied by «ongoing efforts to examine the effects» of the activity on important student outcomes.