Newsroom
News & Updates
Season announcements, exam guidance, and Team USA results from the U.S. National Chemistry Olympiad.
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USNCO vs UKChO: How the Two Biggest English-Medium Chemistry Olympiads Compare
A side-by-side look at the USNCO (ACS) and the UK Chemistry Olympiad (RSC): rounds, exam format, the lab practical, and which past papers a China-based student should train on.
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How to Run a USNCO-Style Mock Exam at Your School: A Chemistry Club Playbook for China (2026)
Chinese students cannot sit the real USNCO, but a school chemistry club can stage a faithful USNCO-style mock exam. A full playbook: format, proctoring, grading, review clinics and a semester calendar.
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The English of the USNCO: A Chemistry Terminology Bridge for Chinese Students (2026)
For Chinese students, the hidden hurdle in USNCO past papers is often English, not chemistry. A terminology bridge: five vocabulary families, command words decoded, and a 4-week reading drill.
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You Can’t Sit the USNCO — Here’s How China-Based Students Turn the Prep Into an Admissions Story (2026)
Without U.S. citizenship or a green card, a student in mainland China has no ACS route into the USNCO. But USNCO-level chemistry prep can still become concrete, honest evidence in a university application — here is how to build and present it.
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The Hardest USNCO Topics, Decoded: Thermodynamics, Equilibrium & Organic (2026)
Thermodynamics, chemical equilibrium and the organic block are where USNCO past papers most often separate strong students from the rest. Here is how to master each, honestly.
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USNCO vs USABO vs USAMO vs USAPhO: Which U.S. Science Olympiad Fits You? (2026)
USNCO (chemistry), USABO (biology), USAMO (math) and USAPhO (physics) are run by different U.S. bodies with different formats. Here is how they compare and how to pick a focus.
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USNCO High Honors vs Honors: What the Recognition Tiers Actually Mean (2026)
High Honors goes to the top 50 nationally on the USNCO National Exam and Honors to the next 100. Here is what those tiers mean and how China-based self-studiers can benchmark against them.
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The USNCO Season, Month by Month: A 2026-2027 Calendar for China-Based Self-Studiers
The USNCO runs on a fixed yearly cycle: Local in February, National in April, Study Camp in June, IChO in July. A month-by-month self-study plan for China-based students.
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Using the USNCO Syllabus to Stretch Your School Chemistry: AP, A-Level & IB Mapped (2026)
Where the USNCO syllabus overlaps your AP, A-Level or IB chemistry — and where it goes further. A topic map so China-based students can stretch school chemistry.
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Inside the USNCO Multiple-Choice Paper: A 90-Second-Per-Question Strategy (2026)
Part I of the USNCO National Exam is 60 multiple-choice questions in 90 minutes — about 90 seconds each. A pacing-and-recognition strategy and how to drill it with past papers.