Рўрёрјрµрѕрѕ_11_в„–24_all_time_file.docx Link

: A collection of a student's best work ("All time file") compiled over their school years.

: A compilation of practice tests or historical data for Russian state exams like the EGE. Симеон_11_№24_All_time_file.docx

Since this is a local file on your device, I cannot open it directly. However, the title suggests it might be one of the following: : A collection of a student's best work

If you are looking for a "useful piece" of information typically found in such a file for an 11th grader, it is often a or formulae for physics/math exams . I cannot open it directly. However

: A study or cheat sheet on English tenses (the "All time" reference) often used in 11th-grade curriculums.