TY JOUR TI Development and Testing of an Index Model for Assessing the Personnel Condition of Schools KW personnel condition index KW teaching staff KW factor analysis KW school typology KW personnel assessment JO Scientific Research and Development. Socio-Humanitarian Research and Technology AU Petryaeva, E.Y. AU Ermolaeva, M.V. PY 2026 IS 15 PB INFRA-M Academic Publishing LLC.