An unusual open lesson was held within a seminar which was attended by managers of all cadet schools of the Republic of Tatarstan. The school was founded on 2007. Now, 463 children study in there, 84 them live there around the clock. The acquaintance with the Vasilyevo school began with demonstrative performances of pupils of cadet classes. Then the seminar participants were walked with an excursion about the school. After the excursion, there was an open lesson with children of the seventh class named “Mathematical Tournament “25 Years to EMERCOM of Russia”. A contest on quickness of putting on firefighter outfit was organized in the end of the lesson. According to all contest tasks, 7K class won.