HELLO,

For the school year 2025-2026 , the SOF International Mathematics Olympiad (IMO) level1 exams was scheduled on multiple date that are November 12 , November 28, and december 12, 2025 , with schools choosing one , and for the second level exam is tentative for January month 2026.

For further more details you can visit :- https://school.careers360.com/articles/maths-olympiad

Hope this will help you!