The South East Asia Mathematics Team Olympiad (SEAMTO) is an annual team-based math competition organized by GLOW Inc. for students from grades 3 through senior secondary across Southeast Asia. Teams of three collaborate to solve higher-order mathematics problems across two rounds.
Topics covered:
| Level | Topics |
|---|---|
| Primary (Grades 3–6) | Arithmetic and number theory, logical analysis, geometry, combinatorics, history of mathematics |
| Secondary (Grades 7–12) | Number theory, logical analysis, algebra, geometry, combinatorics, history of mathematics |
Format:
- National Round (online): 90-minute team test; 20 questions worth 3 points each and 10 questions worth 4 points each; maximum 300 points for the team; each team member's scores are combined
- Historical 2026 International Round (in-person, Philippines): 30 answer-only questions; teams collaborate and submit a single answer sheet; 100 points possible; held in Tagaytay City, Philippines (2026 international round: March 5–9, 2026 at Taal Vista Hotel)
Awards:
- National Round: Diamond (273–300), Gold (243–272), Silver (213–242), Bronze medals with certificates; Honorable Certificate for lower 40%; trophies for top-scoring teams
- International Round (Global Ranking): Champion Trophy (convertible to cash for overseas teams), 1st/2nd/3rd Runner-Up certificates
Calendar checked November 4, 2026: The organizer homepage links its 2026–27 calendar. The SEAMTO row lists registration beginning September 2026, without an exact day; no exact opening is inferred. It separately labels competition dates: Round 1: 2026-11-28; Round 2: 2027-03-06. These are qualifying/national test dates, not universal country registration/payment deadlines. Local entry cutoffs and cutoff clocks/timezones were not verified.
Its international event is 2027-09-03 to 2027-09-07, venue TBA. An older March 17, 2026 organizer letter hosted by DepEd named Sapa, Vietnam, while the current homepage calendar marks venue TBA; the old venue is not presented as confirmed. Registration, payment and detailed exam/arrival timing for this event remain unverified.
The official 2026 event post supports the historical 2026-03-05 to 2026-03-09 event in Tagaytay City, Philippines; its local check-in arrangements are not upcoming entry deadlines. National tests and the international event are separate stages, with the published higher-60% qualification rule. Current fees and aid coverage were not established by the checked official calendar and guides.