This report presents the findings of a survey conducted as part of the Uzbekistan Education for Excellence Program. The survey aimed to assess the adoption and use of new English as a Foreign Language (EFL) teaching and learning materials (Grades 1-11) in public schools throughout Uzbekistan during the 2022-2023 academic year. The evaluation focused on the implementation and adoption of the Cambridge series Guess What! and Prepare, as well as their impact on student learning, as perceived by teachers. An approach, involving qualitative and quantitative data analysis, was employed.