Exam Dates

SOF Olympiad Dates 2026–27

Level 1 exam windows, registration deadlines, and Level 2 dates for all five SOF olympiads.

Olympiad

Registration closes

Level 1 window

Level 2

Results (approx)

IMOInternational Mathematics Olympiad

Sept 2026

Oct 22 / Nov 19 / Dec 10, 2026

February 2027

March 2027

IEOInternational English Olympiad

Aug 2026

Sept 24 / Oct 20 / Nov 5, 2026

March 2027

April 2027

NSONational Science Olympiad

Sept 2026

Oct 15 / Nov 12 / Dec 3, 2026

February 2027

March 2027

IGKOInternational General Knowledge Olympiad

Aug 2026

Sept 10 / Oct 1, 2026

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November 2026

ISSOInternational Social Studies Olympiad

Oct 2026

Nov 30, 2026 / Jan 19, 2027

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February 2027

Disclaimer

Dates are based on the official 2026–27 schedule. Always confirm the latest details on the SOF official website. OlympiadCloud is independent and not affiliated with SOF.

Other Popular Olympiads 2026–27

Silverzone

iOM (Math) — Nov / Dec 2026 · Reg by Sept 30, 2026

iOS (Science) — Nov / Dec 2026 · Reg by Sept 30, 2026

iEL (English) — Nov / Dec 2026 · Reg by Sept 30, 2026

Others

NSTSE (Unified Council) — Dec 6 / 15, 2026 · Reg Oct 2026

HBCSE (NSEP/NSEC/NSEB) — Nov 2026 · Reg Sept 2026

ASSET Mathematics — Multiple windows (Aug/Dec)

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