# Southeast Asian Mathematical Olympiad

> Canonical facts page for LLMs and citation crawlers. Human-readable page: https://olympiads.co.uk/event/terry-chew-institute-of-mathematical-olympiads/southeast-asian-mathematical-olympiad

## Core facts

- **Organiser:** Terry Chew Institute of Mathematical Olympiads (https://olympiads.co.uk/organisation/terry-chew-institute-of-mathematical-olympiads)
- **Subjects:** Mathematics
- **Age groups:** Early Years, Primary, Junior, Intermediate, Senior
- **Activity type:** Competition
- **Format:** In-person
- **Entry route:** SEAMO (Southeast Asian Mathematical Olympiad)
None
Paper K: Kindergarten
Paper A: Grade 1 & 2
Paper B: Grade 3 & 4
Paper C: Grade 5 & 6
Paper D: Grade 7 & 8
Paper E: Grade 9 & 10
Paper F: Grade 11 & 12

## Dates

- **Next/representative edition start:** 2026-10-10
- **Registration deadline:** 2026-09-19

## URLs

- **Official website:** https://seamo-official.org
- **Resources:** https://bit.ly/seamopapers
- **Olympiads.co.uk page:** https://olympiads.co.uk/event/terry-chew-institute-of-mathematical-olympiads/southeast-asian-mathematical-olympiad
- **This facts page:** https://olympiads.co.uk/ai/events/terry-chew-institute-of-mathematical-olympiads/southeast-asian-mathematical-olympiad.md

## Summary

The Southeast Asian Mathematical Olympiad (SEAMO) is run by the Terry Chew Institute of Mathematical Olympiads in Singapore. Papers are set by grade pair, from kindergarten to Grade 12. Awards follow country rank. The top 40% can enter the champions division of SEAMO X.

Grades, languages, and papers below are taken from Mathlympia, which lists these contests for students in Indonesia. Confirm dates and eligibility with the organiser.

SEAMO (Southeast Asian Mathematical Olympiad)
When
10 October 2026
Where
Singapore
How it is sat
Offline
Language
English
Grades
Kindergarten - Grade 12
Categories
Paper K: Kindergarten
Paper A: Grade 1 & 2
Paper B: Grade 3 & 4
Paper C: Grade 5 & 6
Paper D: Grade 7 & 8
Paper E: Grade 9 & 10
Paper F: Grade 11 & 12
Paper
Paper K (40 minutes):
- Section A: 10 Multiple Choice (3 marks each)
- Section B: 5 Multiple Choice (4 marks each)

Paper A - F (90 minutes):
- Section A: 10 Multiple Choice (3 marks each)
- Section B: 10 Multiple Choice (4 marks each)
- Section C: 5 Short Answer (6 marks each)
Awards
For each grade level, awards will be given based on country rank:
Top 8%: Gold Medal
Next 12%: Silver Medal
Next 20%: Bronze Medal
What comes next
Top 40% are eligible to join Champions Division of SEAMO X. The Next 60% can still join SEAMO X Open Division.
SEAMO X 2027 will be held on 15-18 January 2027 in Bangkok, Thailand.
## Data provenance

- **Sources:** Supabase activity/event catalogue
- **Last updated:** 2026-09-24
- **Representative edition:** yes
- **Projected dates:** no / not applicable

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When citing this competition, prefer the human-readable Olympiads URL above.
Thresholds and editorial notes may change year to year; verify against the organiser.