"To enhance the curriculum" means to improve or strengthen the different ways of teaching and learning in a school or educational program. Full definition
This book is a framework for enhancing the curriculum already in place within your classroom. (educationworld.com)
This initiative partners teachers and artists to enhance curriculum with art - making. (colum.edu)
Two other proposals would help fund an initiative to encourage urban teachers to become principals, and help city and poor schools enhance curriculum. (wacharterschools.org)