Southeast Asian Mathematical Olympiad (SEAMO)
Start winning at math! Be part of the global SEAMO community and Unleash the Maths Olympian in You!
Learn moreBe Part of The Fastest Growing International Maths Olympiad Competition Today
Start winning at math! Be part of the global SEAMO community and Unleash the Maths Olympian in You!
Learn moreDiscover How You Can Gain Global Recognition For Your Students
Start winning at math! Be part of the global SEAMO community and Unleash the Maths Olympian in You!
Learn more
What is SEAMO?
What We Have Achieved so far?
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2024
SEAMO Sri Lanka
The “Institute of Olympiads Sri Lanka (IOSL)” proudly serves as the official representative for the South-East Asian Mathematical Olympiad for Sri Lanka (SEAMO Sri Lanka). As the premier organizer and conductor of all SEAMO events within the country, we are dedicated to upholding the highest standards of excellence. Our mission is to foster a culture of mathematical prowess and to nurture the talents of aspiring mathematicians across Sri Lanka. The Institute of Olympiads Sri Lanka ensures that every SEAMO event in Sri Lanka is meticulously managed and executed with precision.
Why You Choose SEAMO?
Crafted in alignment with the Ministry of Education of Singapore’s 21st Century Core Competencies.
Foster a worldwide outlook through interactions with accomplished mathematicians from diverse nations.
Prioritizes innovative and imaginative thinking over mere technical math skills.
SEAMO champions have garnered scholarships from renowned multinational corporations.
Engage in spirited competition with brilliant peers hailing from 28 different countries.
SEAMO victors earn the privilege to contend for the opportunity to represent their nation in the Global Round of the competition, known as SEAMO X.
Distinguished SEAMO laureates have successfully secured admissions into prestigious international educational institutions.
SEAMO X 2024
Prepare yourselves for SEAMO X 2025, the pinnacle of mathematical excellence organized by the esteemed Terry Chew Academy! Scheduled from the 17th to the 20th of January 2025, this competition promises an unparalleled experience.
Eligibility:
If you’ve showcased your mathematical prowess in SEAMO, you’re already on the path to SEAMO X! It’s an exclusive opportunity for those who have actively participated in SEAMO.
Champions Division:
For the cream of the crop – the top 40% from SEAMO will ascend to the Champions Division of SEAMO X. This elite category is reserved for those who have demonstrated exceptional skills, offering them a platform to compete at the highest level.
Open Division:
Not to be outdone, the next 60% of candidates from SEAMO will find their place in the Open Division of SEAMO X. It’s a spirited competition that ensures every participant, regardless of their ranking, engages in a challenging and rewarding experience.
SEAMO X 2025 is more than just a competition; it’s an opportunity to celebrate mathematical brilliance and foster a spirit of healthy competition. Get ready for a thrilling adventure in the world of mathematics!
SEAMO 2025
The SEAMO competition, meticulously orchestrated by Terry Chew Academy, proudly presents SEAMO 2025. This highly anticipated event is slated to take place at the culmination of September 2025. Open to all who are captivated by the allure of mathematics and who seek a platform to showcase their mathematical acumen, SEAMO 2025 promises to bestow upon participants a coveted global recognition of their mathematical prowess.
Participants can expect a comprehensive set of innovative and thought-provoking challenges designed to elevate their problem-solving skills, nurture their confidence in mathematical exploration, and connect them with a worldwide community of fellow enthusiasts.
Paper Categories
PAPER K
Kindergarten
Grade 1 & 2 (Age < 6 - 7)
Paper A
Lower Primary
Grade 3 & 4 (Age < 8 - 9)
PAPER B
Middle Primary
Grade 5 & 6 (Age < 10 - 11)
PAPER C
Primary
Grade 7 & 8 (Age < 12 - 13)
PAPER D
Junior
Grade 9 & 10 (Age < 14 - 15)
PAPER E
Intermediate
Grade 11 & 12 (Age < 16 - 17)
PAPER F
Senior
Grade 13 (Age < 18 - 19)
Competition Day
18th October 2025, 10.00 AM - 11.30 AM
Registration Starts
1st March 2025
Registration Deadline
30th September 2025
Exam Venue
Physical (Pen & Paper)
Certificates & Awards
Candidates who rank among the Top 40% in their country receives a medal and certificate. Winners are eligible to represent their school and country in SEAMO X. Participation in the Global Round (SEAMO X) is strictly by Invitation Only.




