1. The enrolment has to be entered by your leading teacher, supervisor or by the board of the school.

2. Participants have to be between 13 and 18 years old, and they should be at a secondary school.

3. Every entering school can have a maximum of 5 projects participating in the contest. Every project can be represented by at most 2 students (Dutch teams: at least 2 and at most 4 students).

4. The finalists will be selected by a jury. The list of the nominated international schools will be announced on the website of INESPO at March 10, 2012. (Nominated Dutch schools will be announced at April 10, 2012)

5. The jury members are academics.

6. The olympiad will take place between June 10 and June 15, 2012 in the Netherlands. (For Dutch participants the exhibtion date is June 9)

7. All participants will receive an "Environment Certificate".

8. There are no project fees. However their is a participation fee, as well for students as for supervisors. This fee amounts 280 Euros per person. One supervisor/teacher per 5 projects is allowed. If a second adult wants to come along, his/her participation fee amounts 500 Euros. This includes accommodation (double room), consumption, airport-hotel-airport transfer, local transport, social activities and group excursions. (Dutch schools are excluded from this fee!)