The Southeast Asian Coding and Software Olympiad (SEACSO) is an annual coding competition organized by GLOW Inc. for students from kindergarten through grade 12 across Southeast Asia. The competition uses the Codementum platform and is structured into six grade-level categories.
Grade-level categories:
| Category | Grades | | ------------ | -------------------- | | Category I | Kindergarten–Grade 2 | | Category II | Grades 3–4 | | Category III | Grades 5–6 | | Category IV | Grades 7–8 | | Category V | Grades 9–10 | | Category VI | Grades 11–12 |
What participants do:
- Write and run code using Blocks, Python, or JavaScript through the Codementum Portal
- Complete web design challenges using HTML, CSS, and JavaScript (some categories)
- Answer multiple-choice questions on computing fundamentals, internet services, and Microsoft Office applications
Format:
- National Round (online):
- Part 1: Coding test via Codementum
- Part 2: 30-minute, 15-item multiple-choice test via Quilgo with remote proctoring
- International Round (in-person, Philippines): 60-minute coding test via Codementum; speed of completion factors into scoring; held in Tagaytay City, Philippines (2026 international round: March 5–9, 2026)
Awards:
- Top 60% of participants: Diamond (90+), Gold (75–89), Silver (60–74), Bronze medals with certificates
- Bottom 40%: Honorable certificates
- Perfect scorers: Cash prize
- Champion and runner-up positions: Trophies
- All international participants: Souvenir kits