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International Aerial Robotics Competition

Ages: Undergraduate, Graduate

Categories:Coding & Computer Science, Robotics, STEM

Registration closedMay 31, 2020 9:01pm PDT

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International astronomy Olympiad

Ages: Middle School, High School

Category:Science

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International Biology Olympiad (IBO)

Ages: High School

Categories:Biology, Science, STEM

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International Brain Bee

Ages: Middle School, High School

Categories:Science, STEM

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International Bridge Building Contest

Ages: High School

Categories:Architecture, Design, Engineering, STEM

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International Chemistry Olympiad

Ages: Middle School, High School

Categories:Chemistry, STEM

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International Coding Competition

Ages: Elementary, Middle School, High School

Categories:Coding & Computer Science, STEM

Registration closedDec 14, 2022 4:01pm PST

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International Collegiate Programming Contest

Ages: Undergraduate

Categories:Coding & Computer Science, STEM

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International Data Analysis Olympiad

Ages: Undergraduate, Graduate, Educator, Professional

Categories:Coding & Computer Science, Mathematics, Science, STEM

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International Forensics Association Annual Tournament

Ages: Undergraduate

Category:Speech & Debate

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International Geography Bee

Ages: Elementary, Middle School, High School

Category:Geography

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International Geography Championships

Ages: Middle School, High School

Categories:General Knowledge, Geography, Global Affairs, History

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International Geography Olympiad

Ages: High School, Undergraduate

Categories:Geography, STEM

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International Greenwich Olympiad

Ages: Middle School, High School

Categories:Art, Coding & Computer Science, Energy, Engineering, Environment, Legos, Photography, Robotics, Science, STEM, Technology, video, Writing

Registration closedMar 1, 2026 4:01pm PST

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International History Olympiad

Ages: Middle School, High School

Category:History

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International Linguistic Olympiad

Ages: Middle School, High School

Categories:Language Arts, Speech & Debate, Spoken Word & Poetry

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International Logic Olympiad 2027 (ILO-2027)

Ages: Elementary, Middle School, High School

Category:General Knowledge

Registration opensJan 1, 2026 12:01am PST

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International Mathematical Modeling Challenge

Ages: Middle School, High School

Categories:Mathematics, STEM

Registration closedFeb 2, 2026 9:00am PST

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