What is Skilled Trades Ontario?

Skilled Trades Ontario (STO) oversees skilled trades certification in Ontario, including the Certificate of Qualification exams for many trades.

How are these materials aligned?

Content is mapped to current Ontario trade standards and exam blueprints, with practice questions and explanations designed for STO assessments.

What’s included in each study kit?

A concise study guide, practice exam bank with solutions, and printable or digital flashcards; some kits include exam tips and formula/reference sheets.

Who should use these resources?

Apprentices preparing for their Certificate of Qualification, experienced workers challenging the exam, and journeypersons seeking a refresher.

Skilled Trades Ontario Exam Questions Download Exam Preparation Textbooks, Exam Questions and Flashcards

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