STS
All the STS theory you need, organised by syllabus topic and integrated with practice on the app.
Everything you need to know before diving into the theory.
About the STS
The STS is a high-stakes admission test: candidates who score in the top percentile secure a seat in the limited-number programme they applied for. Your preparation has to match that pressure — broad enough to cover the full syllabus, but selective enough to spend time on the topics that actually move your score.
TestBuddy's digital manual is built around the official STS syllabus and reorganised into bite-sized lessons. Every section is paired with practice questions on the same micro-topic, so theory and drilling stay tightly coupled instead of living in two separate worlds.
Theory keeps getting refined every time the STS test format changes — we update one source and your manual updates everywhere. No more obsolete paper editions sitting on your desk.
What's in the STS digital manual
Built to be read, searched and revisited — not just printed.
Complete syllabus coverage
Every STS topic and sub-topic explained at the depth required by the official programme.
Mnemonics & shortcuts
Memorable shortcuts and mnemonics for the high-frequency questions in the STS.
Worked examples
Step-by-step solutions show how to approach each question type under exam conditions.
Linked to practice
Every chapter has a direct jump to relevant STS drill questions in the simulator.
Search & bookmarks
Find any concept in seconds, save the ones you struggle with, come back the next morning.
Always up to date
When the STS programme changes we update the manual — your study material never goes stale.
Topics covered
Each section is fully covered in the digital manual — review theory, then test yourself with linked practice.
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120 questions
Digital manual vs paper book
The reason students switch — and why they don't go back.
STS candidate alerts
Stay updated on the STS
Get a single email when the STS dates, syllabus or format change — plus when new manual chapters and study features ship. No spam, never daily.