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National Ocean Sciences Bowl 2025 National Finals (Virtual)
2025-05-17 - 2025-05-18 | Online
A competition that engages high school students in ocean science and prepares them for STEM careers, helping them become informed citizens and environmental stewards.

Science Olympiad - 2025 National Tournament
2025-05-23 - 2025-05-24 | University of Nebraska-Lincoln, 1400 R Street, Lincoln, NE, 68588, United States
Science Olympiad is a premier team-based STEM competition, offering standards-based challenges to students across the U.S. The competition covers 46 events in various STEM fields.

American Computer Science League (ACSL) - ACSL Finals
2025-05-24 10:00 - 17:00 (America/New_York)
ACSL organizes computer science and programming contests for K-12 students. The league covers a range of fundamental computer science concepts, including Number Systems, Boolean Algebra, and Digital Electronics. In the upper divisions, contests also include programming problems using Python, C++, or Java.

International Greenwich Olympiad (IGO) - IGO 2025 Online Event
2025-06-07 | Online
The International Greenwich Olympiad is a multidisciplinary competition for high school students, with categories ranging from STEM subjects to creative arts like photography, drama, and creative writing. Students from around the world compete and showcase their talents.

You Be The Chemist Challenge - National Challenge
2025-06-10 - 2025-06-11 | To Be Announced
A STEM competition for middle school students that encourages teamwork and problem-solving through science-based questions and sustainability challenges.

U.S. National Chemistry Olympiad - International Chemistry Olympiad
2025-07-05 - 2025-07-14 | Various Locations
The U.S. National Chemistry Olympiad (USNCO) identifies and encourages high school students with a talent for chemistry. It selects the top students to represent the U.S. at the International Chemistry Olympiad (IChO).

International Chemistry Olympiad (IChO) - IChO 2025
2025-07-05 - 2025-07-14 | (UAE), United Arab Emirates
The IChO is the leading global competition in chemistry for high school students. It tests participants on theoretical knowledge and practical skills in chemistry, fostering international collaboration and excellence in the field.

USA Physics Olympiad & Physics Team - International Physics Olympiad (IPhO)
2025-07-17 - 2025-07-25 | To Be Announced
The USA Physics Olympiad (USAPhO) is a national competition for high school students that leads to selection for the U.S. Physics Team, which represents the country at the International Physics Olympiad.

International Biology Olympiad (IBO) - IBO 2025
2025-07-20 - 2025-07-24 | Ateneo de Manila University, Quezon City, Philippines
The IBO is the premier high school biology competition worldwide, bringing together highly talented students to compete in biology knowledge, laboratory skills, and critical thinking.

National Canon Envirothon - NCF-Envirothon Competition
2025-07-20 - 2025-07-26 | Mount Royal University, 4825 Mount Royal Gate SW, Calgary, Alberta, T3E 6K6, Canada
Envirothon is an environmental and natural resources competition for high school students, challenging them in areas like aquatic ecology, forestry, soils and land use, and wildlife. The event incorporates STEM principles and hands-on field experiences.

International Olympiad in Informatics (IOI) - IOI 2025
2025-09-01 - 2025-09-08 | (Bolivia confirmed), Bolivia
The IOI is one of the world’s most prestigious programming competitions, where high school students compete in complex algorithmic and programming challenges. The event encourages problem-solving and technical expertise.

2025 IBB World Championship
2025-11-07 - 2025-11-12 | Online
The International Brain Bee (IBB) is a global neuroscience competition for high school students, designed to encourage students to learn about brain science and pursue careers in neuroscience research.

National Science Olympiad (NSO) - NSO Level 1 - Date 1
2025-11-13 | School-based
The ISO is an annual academic competition that tests students’ knowledge and skills in various branches of science, problem-solving, and reasoning abilities.

National Science Olympiad (NSO) - NSO Level 1 - Date 2
2025-11-27 | School-based

National Science Olympiad (NSO) - NSO Level 1 - Date 3
2025-12-11 | School-based

Canadian Computing Competition (CCC) - CCC 2026 - Americas
2026-02-18 | University of Waterloo, Waterloo, ON, Canada
The CCC is a fun challenge for participants with an interest in programming. Designed to be both accessible to participants with some programming experience and to challenge the keenest programmers at the secondary school level, the CCC helps participants build confidence and grow their ability to understand, design, and implement algorithms.

Canadian Computing Competition (CCC) - CCC 2026 - Non-Americas
2026-02-19 | University of Waterloo, Waterloo, ON, Canada

National Science Bowl - 2026 National Finals
2026-04-30 - 2026-05-04
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National Science Bowl – 2026 National Finals
April 30
–
May 4

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Categories:
Science

Website:
https://science.osti.gov/wdts/nsb

U.S. Department of Energy (DOE)

Currently Unavailable

View Organizer Website

National.Science.Bowl@science.doe.gov

Robot Drone League Jr. Nationals 2026
