Sentences with phrase «significant negative effects on student achievement»

Certified teachers not only produce higher achieving students, but, conversely, teachers without certification showed significant negative effects on student achievement (Darling - Hammond et al., 2005).

In sum, results suggest that principal turnover has significant negative effects on student achievement.

Not exact matches

Schools with abrupt leadership disruptions on average experience «significant negative effects» on student achievement.67 Furthermore, such schools «are often reported to suffer from lack of shared purpose, cynicism among staff about principal commitment, and an inability to maintain a school - improvement focus long enough to actually accomplish any meaningful change,» according to the Minnesota - Toronto report.68