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EnglishWhat is Holy Grail (grail.moe)?
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Holy Grail (grail.moe) is a free educational resource platform for students in Singapore, offering summary notes and practice papers for O-Level, A-Level, and IB exams. It is built around student contributions — notes are curated by students, for students — and is most useful if you are preparing for one of those three exam systems and want free, subject-organized study material rather than a paid course or tutoring service.
Who it's for
The platform targets three exam tracks:
| Exam track | Intended students | Example subjects listed |
|---|---|---|
| O-Level | Secondary students | Mathematics, Physics, Chemistry, Biology (+2 more) |
| A-Level | JC students | H2 Math, H2 Physics, H2 Chemistry, H2 Economics (+1 more) |
| IB | International Baccalaureate students | Math AA/AI, Physics, Chemistry, Economics (+1 more) |
If you are studying outside these tracks, the library is unlikely to match your syllabus.
What you can find
Two main content types are described on the site:
- Summary notes — condensed revision material organized by subject.
- Practice papers — exam-style papers for the same subjects.
Both are described as free. You can browse either through the Library or by subject, or go straight to practice papers.
How browsing works
The site offers a few entry points:
- Browse the Library — the general catalog.
- Practice papers — a direct route to papers only.
- Browse by subject — pick your subject within a track.
- Track pages — separate O-Level, A-Level, and IB sections, each listing subjects with a "Browse" link and a "+ more" option for additional subjects.
A "Browse all subjects" option is also available if you don't want to start from a track.
Contributing
Holy Grail is community-driven. If you want to share your own notes, there is a sign-up flow to become a contributor. The stated purpose is to help students across Singapore, so contribution is framed as a community activity rather than a paid or gated one.
Pricing
The site has a pricing page and a "Get Premium for a month" option, which indicates a paid tier exists alongside the free notes and papers. The available material does not specify what Premium includes, what it costs, or whether any content is restricted to paying users — so if you need those details, check the pricing page directly before relying on the free tier for everything.
Practical takeaway
Use Holy Grail if you are an O-Level, A-Level, or IB student in Singapore looking for free summary notes and practice papers organized by subject, and you're comfortable with material curated by other students rather than a formal publisher. Check the pricing page if you want to know what the Premium tier adds.