The online platforms have been in a continuous development since the beginning of their appearance, being classified according to the field of activity. This article discusses some features of the online educational platforms, that serve the distance learning adopted during this pandemic period by the majority of nations on the planet, to continue the educational progress, at all levels of learning. The article is intended exclusively for the platforms used at the pre-university level of education and illustrates theoretical notions about them, represented by typologies, characteristics, and the features that platforms have been applying. The online platforms, as any other software device, possess advantages and also limitations of the available functions, and this article illustrates their approach in the context of the formative type of assessments, as well as of the summative ones. The effects of using these platforms are highlighted by using the questionnaire survey. This has the final aim to identify the perceptions of the respondents on the use of the online educational platforms for conveying the school information and also to identify the psycho-social aspects that this approach entails. At the end of the article the results of students' attendance at the online courses are presented, results that were collected based on the monitoring study conducted on a sample of students.