RU
April 17 – May 30, 2025
Invitational stage
of the All-Russian Olympiad
for School Students
april 17–18
chemistry
astronomy
april 22–23
physics
april 24–25
biology
may 14–16
mathematics
may 21–23
ICT
may 29–30
© 2025 Foundation «Talent and success»
olymp@sochisirius.ru