Short answers to real questions.
Everything below is drawn from the official 2026 rules, FAQ, and round information, plus the Anchor University host arrangements at Physics Laboratory, Room D207. If an answer affects a decision, follow the linked official source.
Current high school and university students from all grades and countries can take part. Participants are placed into Junior, Youth, or Senior groups, and every group receives the same problems. Your grade or age on 1 November 2026 fixes your group for the whole competition.
The official rules and FAQ take precedence if anything here becomes out of date.
A human answer
Ask the organisers.
The official IPhyC team handles eligibility, supervision, payments, and documents. For the Room D207 venue or campus arrangements, use the Anchor University host contacts.
External links open the official IPhyC site