University of Latvia A. Liepa’s Correspondence Mathematics School (Latvijas Universitātes A. Liepas Neklātienes Matemātikas Skola, NMS) is a structural unit of the Department of Mathematics at the Faculty of Physics, Mathematics and Optometry of the University of Latvia. NMS has been established to implement academic work and research – education of students and teachers, development of teaching aids for in-depth study of mathematics and scientific research.

NMS organises face-to-face educational events – "The Little University of Mathematics" ("Mazā matemātikas universitāte"), lessons for the excellence teams and mathematics’ club "Little dot" ("Punktiņš"), thereby encompassing the pupils of all ages and providing an opportunity to acquire various topics of mathematics, most of which are not included in general secondary education syllabus of mathematics, as well as training the pupils for mathematical Olympics and competitions of various levels. Remotely, the pupils can take part in the regional mathematical contest "So Much or … How Much?" ("Tik vai… Cik?"), "The Young Mathematicians’ Contest" ("Jauno matemātiķu konkurss"), and "The Professor Littledigit’s Club" ("Profesora Cipariņa klubs") to test their knowledge and compere with peers from all over Latvia.

The Open Mathematical Olympiad is an initiative of the NMS, and thus the NMS team is in charge of all the matters pertaining to its organisation. The first Open Mathematical Olympiad took place in 1974 and was attended by 316 participants, while in recent years this number has grown to about 3400 pupils of Latvia.

NMS in cooperation with the National Centre for Education of the Republic of Latvia organises three stages of the National Mathematical Olympiad for the pupils of the 5th to the 12th class. Excellence team of pupils benefit from NMS lessons to prepare for various international competitions, such as the International Mathematical Olympiad (IMO), the European Girls' Mathematical Olympiad (EGMO), and the Baltic Way ("Baltijas Ceļš") team competition.

NMS actively contributes to science and research in the field of mathematics education and modern elementary mathematics, developing research on topics related to the acquisition of mathematics in schools, as well as organising conferences and congresses.