National Science League（NSL）
High School | Math & Programming. | Middle School | Primary School | Science. | Science.

National Science League Introduction NSL System Rules Awards Requirements FAQ 考试入口 Periodic Table of the Elements Learning Resources An all-ages STEM challenge for the U.S. K12 science teaching system 40+ years, 400+ American Schools, 30,000 + students each year 10 … Read More

American Computer Science League (ACSL)
Computer Science. | Computer Science. | High School | Math & Programming. | Middle School | Primary School

One of the oldest computer science Challenges with 47 years of history
Approved by the National Association of Secondary School Principals (NASSP)
Authenticated by the Computer Science Teachers Association
Sponsored by Google, ADOBE and other advanced technology companies
Based on cumulative team scores, top teams are invited to ACSL ALL-Star
4 different levels suitable for students from Grade 3 to 12
Past papers are available for preparation
December, 2024 – August, 2025… Read More

Caribou Contests
High School | Math (Individual) | Math (Individual) | Math & Programming. | Middle School | Primary School

Caribou Contests Introduction Program Highlight Interactive subject Rules Registration My Registration Instructions to Participants in Caribou Interactive Questions Past Papers Make a Purchase Access Code for past papers Instruction to past papers access code Exam Entry The most well-known online … Read More

Johns Hopkins Math Tournament（JHMT）
High School | Math(Team Based) | Math(Team Based) | Middle School

Johns Hopkins Math Tournament(JHMT) Introduction Rules Activity Section Agenda Tournament Committee FAQ Learning Resources Johns Hopkins Math Tournament Supported by the Department of Mathematics at Johns Hopkins University| 24 years’ history popular math challenge among famous American high schools and … Read More

BioOlympiad Initiative USA-China (BIO USACN)
Biology. | High School

BioOlympiad Initiative USA-China Introduction Challenge Rules Sample Problems FAQ 考试入口 草稿纸上传 Learning Resources Win an advantage when applying for top science universities More than 10,000 students participate every year in the US Outstanding students will have the chance to attend … Read More

(mini) Math Tournament at Berkeley（BmMT）
Math(Team Based) | Middle School

(mini) Math Tournament at Berkeley(BmMT) Spotlight Introduction Rules Agenda Awards Sample Problems Moments Registration FAQs Results Inquiry and Certificate(s) DownloadScore Inquiry and Certificate(s) DownloadThe results have been published. Please scan the QR code to log in to the ASDAN applet, … Read More

The Coding Challenge (UKCC)
Computer Science. | Computer Science. | High School | Math & Programming. | Middle School | Primary School

The Coding Challenge (UKCC) Introduction Challenge Rules OUCC Syllabus Age group differences 2023 Final Statistics FAQ 考试入口 Past paper Sign upScan to sign up The Coding Challenge (UKCC) Full upgrade of the Oxford University Computing Challenge (OUCC) Five difficulty levels: A, … Read More

Junior Science Olympiad of Canada （JSOC）
High School | Middle School | Science. | Science.

Canada’s authoritative scientific competition Physics, chemistry and biology involved Canada’s most influential science competition
Provide Chinese Papers
Over 50% winning rate in China Division… Read More

Big Science Competition (BSC)
High School | Middle School | Science. | Science.

Big Science Competition (BSC) Introduction Challenge Rules Requirements Sample Problems FAQ 考试入口/Exam Entry Learning Resources Sign upScan to sign up Hosted by Australian Science Innovations (ASI)- premier provider of innovative and challenging science programs One of the world’s largest in-school … Read More

Computational and Algorithmic Thinking (CAT)
Computer Science. | High School | Math & Programming. | Middle School | Primary School | Science.

Computational and Algorithmic Thinking (CAT) Introduction Sample Problems Challenge Rules Registration Details FAQ 考试入口 Learning Resources