You might take a look at HOPS, a research-based intervention for homework, organization, and other school-related EF skills:

school version: https://www.nasponline.org/books-and-products/products/books/titles/hops-interventions-for-schools

home version: https://www.nasponline.org/books-and-products/products/books/titles/hops-for-parents

...pronounced like the long vowel and first letter of the alphabet...