Belarusian prospective university students are doing a test of the Russian language today. This is the most popular subject this year. Over to 63 thousand school leavers are taking the exam. Mathematics is ranked second with 42 thousand enrollees passing it on Monday. The centralized testing will last until July 1. This year it involves 77 thousand school leavers with about 260 thousand tests in academic subjects prepared for them. The next exam - on social studies - will take place on Saturday.