The scientific-methodical publication highlights certain aspects of the use of immersive technologies (virtual, augmented, mixed, augmented, substituted reality) in the educational process and their didactic potential. Educational mobile applications with the support of augmented reality technology are considered, the course and results of teachers' training on creating AR content are described, the current state of their readiness and attitude to the use of such technologies in the educational process of general secondary education institutions of Ukraine is investigated. The authors justified the criteria-indicator matrix for determining the quality of augmented reality objects, which contains such criteria as technical-technological, visual-dynamic, content-methodical. It is proposed to determine the quality of AR objects according to four levels of compliance: do not meet the requirements, need thorough refinement, require minor refinement, meet quality requirements. The developed toolkit will potentially contribute to the improvement of the quality of digital educational content for PPE at the stage of development and selection. Methodological studies can be useful to teachers, employees of education and science administration bodies, publishers of educational materials, scientific and scientific-pedagogical workers, management personnel of institutions of various levels of education, and all interested readers.