K-12 Dive – Naaz Modan
“A new report released by the Wallace Foundation Tuesday finds that above-average principals result in an additional 2.9 months of learning in math and 2.7 months in reading per year on average when compared to below-average principals. That impact is almost as large as that of above-average teachers, who studies show can increase achievement by four months, researchers said during a webinar.” (more)