International Earth Science Olympiad

World Earth science olympiad for secondary school students.

Offered by IESO. Competition for high school students in Worldwide. Format: In-person. Cost: Free. Grades 9–12. Deadline: 2026-08-20.

Fields: Environment

Official program page

More academic competitions for high school students

Related opportunities

• Regeneron ISEF
• Youth Sustainable Investment Competition
• International Math Olympiad
• NYT Student Editorial Contest
• The Concord Review
• Diamond Challenge
• AMC 10/12
• AIME