Final Numbers of Competing Students by Division at the 2025 International History Olympiad

66 – Varsity Division
135 – Junior Varsity Division
126 –  Middle School Division
75 – Intermediate Division
30 – Elementary School Division
432 Total

Please click here to see how Competing Students are affiliated by country, region, or US state. 

Please click here for a full Official List of 2025 International History Olympiad Competing Students and for team assignments.

Please click here for Competing Student and Family and Friends Program Participant event assignments.

Registered Students for the 2027 International History Olympiad will be listed on this page once registration for the 2027 Olympiad opens in Fall 2026.

Past Olympiad Participant Lists

Please click here for the Official Competing Student List from the 2025 International History Olympiad in Paris, France (432 students). Please click here to see students from the 2025 Olympiad listed by affiliation.
Please click here for the Official Competing Student List from the 2023 International History Olympiad in Rome, Italy (258 students). Please click here to see students from the 2023 Olympiad listed by affiliation. 
Please click here for the Official Competing Student List from the 2022 International History Olympiad in Princeton, New Jersey and New York City, USA (180 students)
Please click here for the Official Competing Student List from the 2018 International History Olympiad in Berlin, Germany (224 students)
Please click here for the Official Competing Student List from the 2016 International History Olympiad in Honolulu, Hawaii, USA (85 students)
Please click here for the Official Competing Student List from the 2015 International History Olympiad in Williamsburg, Virginia, USA (111 students)