The relationship between motivational language, school culture and work-related life quality was researched by structural equation modeling (SEM) in this study. The population of the research was composed of 378 school teachers teaching at different schools of in Manisa province of Turkey. The volunteer teachers were selected using convenience sampling method. A qualitative design of correlational research model was employed. The correlations among the variables, and the research questions were tested employing SEM. We offered three models. The first model was not verified but the second and the third models were verified according to the data obtained from the survey. As a result of the research, the motivational language (ML) did not have a correlation with school culture (SC) and work-related life quality (WRQoL) in model 1. WRQoL did not show a correlation with ML but it had a relationship with SC in the model 2. SC showed a good correlation with work-related life quality but it did not show a relation with ML in model 3.