This paper deals with the issue of education during the COVID-19 pandemic in Serbia and Bosnia and Herzegovina and its effects on education development gained during that process. This topic is trending around sustainable education in urban and rural areas also including widespread areas and locations of students and faculties. In this paper, we present a model that was created in the early days of the COVID-19 pandemic and is functional even today. The model is supported on a website and it became a foundation for adding a great deal of material and solutions for more prosperous results in education on several faculties. The key findings imply that in the initial stages of the COVID-19 pandemic with the system establishment of lectures and examinations, the level of adopted skills improved significantly and exceeded those before the COVID-19 pandemic regarding the passing of exams and average grades on subjects. The ANN model was developed, which provides results in terms of successfully passing knowledge tests and average grades by subjects. The innovativeness of the model is a combination of input and output parameters supporting the possibility of its wide application in various branches of science, which resulted in intense application of this model in numerous courses.