Assessment of Russian as a Foreign Language: Unlocking Proficiency explores recent research, methodologies, and practices in Russian language assessment, offering a comprehensive guide for teachers, researchers, and administrators. The volume examines learner-centered and proficiency-oriented assessment, alongside technological innovations, including automated proficiency assessment and constructionist approaches. Emerging trends are discussed, including social justice-oriented assessment (e.g. feminist approaches and ungrading), positive psychology (e.g. authorized cheat sheets), and technological integration, such as generative AI, game-based assessments, and others. This volume provides a wealth of resources to advance Russian language assessment, addressing a critical need in the field. It serves as an invaluable resource, enabling novice and experienced teachers to refine instructional strategies, supporting researchers in exploring advanced assessment techniques, and helping administrators to enhance the overall learning experience.