The impact of Teacher Professional Development on Students Achievement

Research has established that Teacher quality is the most influential factor in determining student achievement .The role of teachers is fundamental to discussion about educational institutions, and features prominently in education policy conversations both directly and indirectly. Given that a significant portion of educational funding is allocated to teachers ,focusing on their development is crucial .(Hanushek et al, 2006 ). In addition to improving test scores ,effective instructors manage classroom behaviour,foster a positive learning environment that supports students social and emotional development ,and provide high -quality instruction that promotes intellectual growth. ( Blazar and others,2017).