The Framework for K–12 Science Education (NRC; 2012) placed renewed emphasis on creating equitable science learning opportunities for all learners by engaging in three‐dimensional learning experiences: disciplinary core ideas, crosscutting concepts, and science and engineering practices. Additionally, the Framework calls for a more inclusive approach to science learning that builds upon learners' linguistic practices and funds of knowledge and integrates open‐ended, multimodal approaches to documenting learning throughout the assessment process. To support assessment developers in designing expansive Framework‐aligned classroom‐assessment approaches for emergent bilingual learners—learners developing two or more languages—tools are needed to guide design of assessments from their inception. This paper presents a literature‐based framework for science assessment design for emergent bilingual learners that includes components critical to support these learners. We then operationalize the framework into five categories and analyze nine publicly available Next Generation Science Standards sample classroom assessments. The sample tasks allow us to illustrate how those engaged in classroom assessment design might create more expansive Framework‐based science classroom assessments appropriate for emergent bilingual learners.

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Research in science education with multilingual learners (MLs) has expanded rapidly. This rapid expansion can be situated within a larger dialogue about what it means to provide minoritized students with an equitable education. Whereas some conceptions of equity focus on ensuring all students have access to the knowledge, practices, and language normatively valued in K‐12 schools (equity as access), increasingly prominent conceptions focus on transforming those knowledge, practices, and language in ways that center minoritized students and their communities (equity as transformation). In this article, we argue that conceptions of equity provide a useful lens for understanding emerging research in science education with MLs and for charting a research agenda. We begin by tracing how conceptions of equity have evolved in parallel across STEM and multilingual education. Then, we provide an overview of recent developments from demographic, theoretical, and policy perspectives. In the context of these developments, we provide a conceptual synthesis of emerging research by our team of early‐career scholars in three areas: (a) learning, (b) assessment, and (c) teacher education. Within each area, we unpack the research efforts in terms of how they attend to equity as access while pushing toward equity as transformation. Finally, we propose a research agenda for science education with MLs that builds on and extends these efforts. We close by offering recommendations for making this research agenda coherent and impactful: (a) being explicit about our conceptions of equity, (b) paying attention to the interplay of structure and agency, and (c) promoting interdisciplinary collaboration.

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