Abstract
The article presents the results of a research on improving systems of storage and analysis of student educational achievements at the university. The educational achievements are the results of work of students on disciplines within the syllabus framework. When designing the storage for these educational achievements, it is proposed to build an ontology of the subject area, the main classes and slots are highlighted. To analyze student works, it is proposed to use document clustering methods that allow identifying groups of semantically similar documents among the specified fixed set of documents automatically. The article describes the used metrics of spatial similarity.