I used Prephow as part of my preparation for the STS exam. The practice tests helped me check my knowledge and identify topics I needed to review further. I found the explanations especially useful because they helped clarify concepts I was unsure about.
STS Practice Test
Your Proven Shortcut to Safety Trained Supervisor (STS) Success
Get exam-style questions, detailed explanations, and realistic timing to master the latest Board of Certified Safety Professionals (BCSP). Prepare STS practice test then walk into your Construction and Industry exam with confidence.
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How Our Practice Exam Works?
Study wherever, whenever with these quiz practice questions for STS:
Pick a Mode
You can choose Study Mode for course preparation and Exam Mode (timed 90-minute) for simulation.
Realistic Mix
STS exam questions reflect both multiple-choice and scenario/performance-style prompts aligned to exam objectives.
Detailed Explanations
Every question includes a clear explanation, so you know why an answer is correct.
Domain Analytics
See strengths/weaknesses by the domains & sub-topics to focus your revision.
Reattempts
Retake Safety Trained Supervisor (STS) practice exam to improve your speed and accuracy; watch your score trend toward the benchmark.
Exam Simulator
Get a feel for the real exam with our Board of Certified Safety Professionals (BCSP) practice test.
Why Choose PrepHOW for STS Practice Questions
Train the way you'll be tested. With the most clinically accurate, expertly written question bank, you’ll build the speed, accuracy, and confidence needed to pass the Safety Trained Supervisor (STS) on your first attempt.
- 1. Practice & Exam modes to switch between learning and testing
- 2. Detailed answer explanations for every question
- 3. Instant scoring & feedback to show what you missed and why
- 4. Smart dashboard to track strengths, weaknesses, and progress
- 5. Study anywhere with mobile-friendly design
- 6. Updated STS questions bank to match the latest exam changes
- 7. Free practice test to start - no credit card required
Real Exam Feel
Mock Exam/Study modes, question flagging, and instant or end-of-exam feedback.
Smarter Analytics, Faster Improvement
Trend charts so you can see when you're consistently above the passing scrore.
Quality You Can Trust
Clear, teach-back explanations with why the correct answer is right and why others aren't.
Frequently Asked Questions
What is the STS Certification?
The Safety Trained Supervisor (STS) certification is designed for organization leaders, such as those in supervision, management, or technical specialties, who have safety responsibilities as a collateral part of their main job duties. It helps them ensure safer and healthier workplaces.
What are the Eligibility Requirements for the STS Exam?
To be eligible for the STS exam, you must have at least 30 hours of safety, health, and environmental training and meet at least one of the following experience requirements:
- Two years of supervisory experience.
- Four years of work experience in any industry (with a minimum of 18 hours per week).
- An associate degree or higher in occupational safety, risk management, or construction management.
- Completion of a two-year trade or union training program or apprenticeship.
How Many Questions are on the STS Exam and How Long is It?
The STS exam contains 100 multiple-choice questions that you must complete within a 2-hour time limit.
What is the Exam Outline and What Topics are Covered?
The exam is split into six domains. Below outlines the areas you will be tested on:
- Safety Program Implementation and Management
- Safety and Health Hazards
- Hazard Controls
- Basic Industrial Hygiene
- Emergency Preparedness and Management
- Ethical Leadership
How Do I Register for the STS Exam?
You must first create an account on the BCSP website and submit an online application, which includes a $120 non-refundable application fee . Once your application is approved, you have one year to purchase and schedule your exam. The examination fee is $185, which is paid when you schedule your test through Pearson VUE.
What is the Passing Score for the STS Exam?
To pass the STS exam, you generally need to answer about 70% of the questions correctly, which is approximately 70 out of the 100 questions.
How Should I Prepare for the STS Exam?
Thorough preparation is key. Recommended steps include:
- Reviewing the official exam blueprint from BCSP to understand the topics .
- Using study guides and flashcards designed for the STS exam .
- Taking Prephow STS practice questions to familiarize yourself with the question format and identify areas where you need more study.
What is the BCSP's Official Code of Ethics?
The BCSP Code of Ethics, which is covered on the exam, is based on the principles of professional and organizational ethics, leadership, integrity, and diversity and bias. Certificants are expected to uphold these standards.
Trusted By 1.2K+ Peoples
Discover how our STS practice tests have empowered countless students to pass their exams with ease.
Steven Edwards
Cannon Sutton
I used the STS practice tests from PrepHow to brush up on risk assessment and job safety analysis. The format made it easy to learn from my mistakes. By exam day, nothing felt unfamiliar. I’m grateful I found this resource.
Izabella Delacruz
I relied on PrepHow’s STS practice questions to review topics like electrical safety, fall protection and ergonomics. The structure helped me study efficiently. The real exam felt like a natural extension of what I’d practiced. I passed without stress.