Below is a diverse selection of supplemental materials, including lesson plans and teaching strategies, from the College Board and your AP colleagues. Look for more classroom resources in the AP Teacher Community.
From The College Board
Scaffolding Student Interaction with Authentic Materials
Ch. 1 - Reading in a Second Language from Scaffolding Language and Learning
Teaching Second Language Learners in the Mainstream Classroom
Ch. 2 - Content Study from Supporting English Language Learners
Ch. 3 - Materials Design and Lesson Planning
Novels and Short Stories from Literature and Language Teaching: A Guide for Teachers and Trainers