International STEM Olympiad
153 Countries · 38,000+ Students
The world's largest international STEM Olympiad, with the grand final in Lisbon, Portugal. Mathematics, Science, Technology & Engineering for Grades 1 through 12.
Grand Final
Lisbon, Portugal
June 2027
- Onsite world final · 153 countries
- Qualification opens 21 Nov 2026
Competition Categories
Three categories, each with its own exam format, open to Indonesian students from Grade 1 through Grade 12 with official registration through Competzy / Eduversal.
Science
Natural science basics for grades 1–5, then physics, chemistry & biology for grades 6–12. 25 multiple-choice questions, supported by PhET simulations.
Technology & Engineering
Core technology and engineering concepts for grades 6–11, tested through general knowledge plus provided video resources.
Mathematics
Mathematical reasoning and problem-solving for grades 1–12, from visual logic for younger students to advanced concepts for the rest.
The Path to the Grand Final
One registration, then three online tiers: qualification, final and Best of the Bests. After that comes the onsite grand final in Lisbon. Dates follow the official 2026–2027 exam schedule.
Registration
Online · Registration
Final Round
Online · Free
STEM Grand Final · Lisbon, Portugal
Onsite · Grand Final
Qualification Round
Online · Paid
Best of the Bests (BOB)
Online · Free
Registration
Open nowOne registration at the start covers every online tier that follows.
Qualification Round
21 Nov 2026 · 30 Jan 2027Sit either date; each is a 24-hour window (GMT). This is the paid entry round.
Final Round
13 Feb 2027Math 09:00, Science 11:00, Technology & Engineering 13:00, in your country's local time.
Best of the Bests (BOB)
6 Mar 2027The free top-scorers round for Math & Science, grades 6–11. Time to be announced.
STEM Grand Final · Lisbon, Portugal
June 2027The seven-day onsite world final, the true global stage for STEM.
Medals & Awards
Every exam awards certificates by percentile, and the very best walk away with a physical medal.
Gold Medal
Physical medal for the top 3 in every grade & category, plus Digital Gold Certificates for the top 15% (grades 4–12) or top 25% (grades 1–3).
Silver Medal
Digital Silver Certificates for the next band: 15–35% (grades 4–12) or 25–60% (grades 1–3).
Bronze Medal
Digital Bronze Certificates for 35–60% (grades 4–12) or 60–80% (grades 1–3), with Honorable and Participation certificates below that.
Top scorers in Math & Science (grades 6–11) also qualify for the free Best of the Bests round, and top finishers earn Grand Final discounts of up to 75%.
Gallery
A look back at past Grand Finals and online exams from around the world.
Your Spot Is Waiting
Register and bring Indonesia to the world STEM stage. 153 countries, one competition.
Questions? We're Here to Help.
Organiser · Germany
Main Team Organisation GmbH
Zimmersmühlenweg 62, 61440 Oberursel, Germany
Official Indonesia Representative
Eduversal Foundation
CityWalk Blok A2 No. 6, Jl. Cabe Raya, Pondok Cabe, Tangerang Selatan, Banten 15418, Indonesia