# International Mathematics Olympiad Competition of Southeast Asia

> Canonical facts page for LLMs and citation crawlers. Human-readable page: https://olympiads.co.uk/event/global-league-of-winners/international-mathematics-olympiad-competition-of-southeast-asia

## Core facts

- **Organiser:** Global League of Winners (https://olympiads.co.uk/organisation/global-league-of-winners)
- **Subjects:** Mathematics
- **Age groups:** Early Years, Primary, Junior, Intermediate, Senior
- **Activity type:** Competition
- **Format:** Online
- **Entry route:** IMOCSEA (International Mathematics Olympiad Competition of Southeast Asia)
None
KG,
G1, G2, G3, G4, G5, G6,
G7, G8, G9,
Junior Secondary (G10),
Senior Secondary (G11-G12)

## Dates

- **Next/representative edition start:** 2026-10-04

## URLs

- **Official website:** https://www.glowinc.org/
- **Resources:** https://bit.ly/imocsea-isocsea-sample-paper
- **Olympiads.co.uk page:** https://olympiads.co.uk/event/global-league-of-winners/international-mathematics-olympiad-competition-of-southeast-asia
- **This facts page:** https://olympiads.co.uk/ai/events/global-league-of-winners/international-mathematics-olympiad-competition-of-southeast-asia.md

## Summary

IMOCSEA is an online Southeast Asian mathematics contest run by Global League of Winners in the Philippines. It is not the International Mathematical Olympiad. The paper is multiple choice and short answer, with no penalty for a wrong answer.

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

IMOCSEA (International Mathematics Olympiad Competition of Southeast Asia)
When
4 October 2026 at 13:00 JKT
Where
Philippines
How it is sat
Online
Language
English
Grades
Kindergarten - Grade 12
Categories
KG,
G1, G2, G3, G4, G5, G6,
G7, G8, G9,
Junior Secondary (G10),
Senior Secondary (G11-G12)
Paper
20 Multiple Choice (3 marks each)
8 Short Answer (5 marks each)
No penalty for wrong answer

Total Score: 100 marks (90 minutes)
Awards
Score 90 or higher: Diamond Medal
Score 75-89: Gold Medal
Score 60-74: Silver Medal
Below 60 and Remaining Participants in the 60% cut: Bronze Medal
Remaining 40%: Honourable Mention
What comes next
Gold, Silver, and Bronze are eligible for the Final Round on 18-22 December 2025 in South Korea.
## 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.