School improvement and accountability pressures heightened at the turn of the 21st century, with the enactment of the No Child Left Behind Act in 2002 and with the Every Student Succeeds Act in 2015. These actions spurred research to facilitate school improvement and meet state standards. Researchers identified a strong correlation between a…

Researchers generally credit Albert Bandura for providing the theoretical framework for studying collective teacher efficacy. Research shows that principals using transformational leadership behaviors significantly impact collective teacher efficacy. Policies, such as Every Student Succeeds Act, increasingly put pressure on school districts to…