For a future beyond the ordinary.
Nearly three decades of teaching with Hirosh Mendis — every specification, 1,300+ past papers and tutorials for Cambridge, Edexcel and National science & maths, gathered in one place.
A teacher, a scientist, a naturalist.
Hirosh Mendis has taught Cambridge, Edexcel and National science and mathematics since 1998 — guiding island and world rank-holders, and turning the natural world into a classroom that never closes.
- ✓ B.Sc., Open University of Sri Lanka
- ✓ Island & world rank-holding students
- ✓ Co-discovered a crab species new to science
- ✓ Nature enthusiast & lifelong learner
Nearly three decades
Guiding students through Cambridge, Edexcel and National science and maths exams.
B.Sc., OUSL
A scientist's grounding brought into the classroom — rigorous, clear, grounded in real understanding.
A new species
Helped discover and introduce a crab species new to science — curiosity beyond the syllabus.
Boards & subjects
Three boards, every core science and maths subject — each with its specification, past papers and resources.
Cambridge
Cambridge Assessment Int'lEdexcel
Pearson EdexcelEverything for the exam, in one place
Official specifications
Every syllabus and specification, straight from Cambridge Assessment and Pearson Edexcel — always the correct, current file.
Past paper archive
1,300+ question papers and mark schemes, grouped by session and unit — fast, free and always online.
Tutorials & resources
Curated notes, videos and revision from trusted hubs — PMT, Save My Exams and more — mapped to each subject.
Three steps to get started
Pick your board
Cambridge, Edexcel or National — choose your level and subject from the menu.
Grab specs & papers
Download the official specification and work through past papers, mark schemes and tutorials.
Register & join class
Ready for the real thing? Register for class with Hirosh Mendis at The Science Brainery.
Find The Science Brainery
2, Malani Bulathsinhala Road, Boralesgamuwa, Sri Lanka
077 787 6981Get directions
For a future beyond the ordinary
New students welcome across all boards and levels. Register for class with Hirosh Mendis at The Science Brainery.
Register now →