The current study analyses the content, form, organisation and management of scientific-methodical work as well as its impact on students’ research skills and their learning in middle and high schools. 100 principals and 102 vice-principals working in public schools in such cities of Azerbaijan as Binagadi, Khachmaz, Goygol, Yardimli, Lerik, Astara and Lankaran were included into this research study, which attempted to identify the system of scientific-methodical work, its purpose and duties in addition to its forms and directions. The study also aimed to identify the collaboration between the principals and vice-principals, the system of scientific-methodical work with young teachers, and the structure and content of teacher portfolio. This paper justified the value of the aforementioned factors and proved their necessity. Moreover, in the study it is confirmed that scientific-methodical work is still a valid and reliable approach.