This commentary presents a coherent framework that reenvisions instructional scaffolding for linguistically and culturally diverse learners, based on our research, teaching, and collaborations with teachers. We have worked to understand how, why, and when supports work, for whom, and in what ways, as well as tensions and challenges that teachers encounter as they consider supports for an increasingly diverse student population. The framework is organized in three domains: scaffolding for whom, for what purpose(s), and how. Each domain includes guiding questions to help teachers plan, shaped by literacy research. Relevant actions illustrate ways to address the questions and focus on each domain. Practices of three teachers illustrate the framework in action.