This article presents the Corpus of Slovenian School Texts, which is a specialized corpus of written Slovenian containing around 1.8 million tokens. It was designed within the scope of the project Franček, Language Advising Service for Teachers of Slovenian and the Slovenian School Dictionary, and it was intended to provide language material for compilation of Šolski slovar slovenskega jezika (Slovenian School Dictionary), the first research-based school dictionary of Slovenian. The article discusses the text type composition and size of the corpus, sheds light on technical procedures in text preprocessing and corpus annotation, and presents the set of corpus metadata. It also explains in which formats and under what licenses the Corpus of ...