Introduction. The article deals with the problem of students’ academic professional literacy development by means of a foreign language based on the implementation of the SIOP Model. The foundations of the question have been borrowed from the SIOP (Sheltered Instruction Observation Protocol) Model that focuses on helping English Language Learners (ELLs) with academics in a mainstream classroom. The SIOP Model provides a practical and flexible tool for educators to use in planning, implementing and observing Sheltered Instruction. The SIOP Model is one of the two major areas, the other being General English, which is established in the English-speaking world. The professionally oriented English course is developed for students from different non-linguistic specialties. The goals, objectives, content of the course are compiled according the students’ requirements of real target foreign language communication situations. The principles and approaches that underlie occupational mobility are outlined. It is revealed that occupational mobility serves as a criterion for evaluating the effectiveness of professional development. The aim of the study. The aim of this paper is to outline the improving the efficiency of foreign language teaching for future non-linguistic specialists with the iplementation of the SIOP Model. Methods of the research. Methods of the research include theoretical - study of literature, experience on the problem, theoretical analysis of philosophical, sociological, psychological, pedagogical literature on research topics, synthesis of theoretical and empirical material, its generalization and systematization of data, modeling, comparison, forecasting; as well as a set of empirical methods – observations, study and generalization of pedagogical experience. Results. . It is revealed that The SIOP Model was developed to assist mainstream teachers in using research-based practices which ensure ELLs success with academic language and vocabulary. Over time, the model has proven to be a form of best practices for educators. It is also known to reach ELLs by focusing on academic language in order to obtain optimal results. Learning foreign languages in the context of intercultural paradigm has great potential for personal development. It is determined that professional mobility and competence are interdependent. The curriculum should include a cultural component, on the basis of which intercultural communication competence is formed. It is revealed that in the process of forming professional mobility it is very important to distinguish personal characteristics that provide mobility, activity and creativity of a person. The pedagogical conditions of professional mobility with the help of foreign languages are outlined. It is determined that the process of learning foreign languages is aimed at forming elements of general cultural and professional competences. Good command of a foreign language enables future professionals to effectively carry out their professional activities in their field, which will significantly increase the level of language training. It is considered that the formation of communication skills at the present stage implies the development of students' communicative competence. The component of directions of formation of multicultural communicative competence in the conditions of studying foreign languages for professional purposes is considered. Conclusion. The purpose of teaching foreign languages for future non-linguistic specialists with the application of the SIOP Model should upgrade the skills and abilities that allow the future specialist to effectively pursue a professional activity in their field: work with foreign literature, participate in discussions in a foreign language, speak or write a professional translation of business literature in professional field. The process of foreign languages learning with the implementation of SIOP Model is aimed at forming professional competencies. The combination of these competencies in the future will determine the level of training future professionals, the degree of their readiness for professional self-determination and professional activity. The SIOP components and functions demonstrate a number of aspects that make a teacher's performance effective. The SIOP Model combines the features of effective learning into one whole, integrates a foreign language with professional learning that in the context of modern Ukrainian education is especially relevant in the transition to a system of training future specialists.