In WRO we have the ambition of being relevant to students of different ages. That is why we offer competitions on platforms that provide fun and challenging experiences.
It is also why we have divided two of our categories into multiple age groups. In the Regular Category, each age group has a different mission. In the Open Category, the challenge is the same for all participants (except for WeDo), but they are judged within their age group.
The mentioned ages reflect the age of the participant in the year of the competition; not at the competition day. For participation in the international WRO final it is strictly enforced that students cannot, at any time in the year of the competition, be older than specified in the age group definitions. Example: A participant that is still 12 years old at the time of the international WRO final in November, but turns 13 years old in December the same year cannot participate in Elementary Category.