If you are looking into becoming a security guard in Ontario, one of the first questions you probably have is a simple one: how long is this going to take?
The short answer is that the mandatory training is 40 hours. But the real answer is a little more involved than that, because those 40 hours are not the whole picture, and how you approach the training makes a big difference in whether you actually pass your exam on the first try. Let me walk you through it.
Ontario's mandatory basic training for security guards is a minimum of 40 hours total. That breaks into two parts.
The first is the security training itself, which is a minimum of 33.5 hours. This covers eleven modules of content including Ontario law, the powers and limits of a security guard, use of force, emergency response, report writing, and more.
The second is emergency first aid and CPR, which is a minimum of 6.5 hours. Together those add up to the full 40.
One thing worth knowing: if you already hold a valid emergency first aid and CPR certificate from a St. John Ambulance or WSIB certified instructor, you can opt out of that portion of the training and provide your certificate instead. In that case your security training on its own is 33.5 hours. If you do not already have that certification, the first aid and CPR is done as part of the program and it must include a hands-on portion, which is why it needs to be in person.
This is an important point that people miss. The training is not just a textbook you read on your own. Ontario's rules require that the training be instructor-led, and for web-based courses specifically, the Ministry requires that you have real-time interaction with an instructor. In other words, even if some of the material is delivered through recorded lessons or a self-paced platform, there must be a genuine way to reach an instructor and get your questions answered in real time. That access is a Ministry requirement, not an optional extra.
So when you are choosing a provider, make sure there is a real way to interact with an instructor with your questions, whether the course is in person or online. If you already confirmed your provider is on the Ministry's approved list, which you absolutely should before paying for anything, then this requirement should already be taken care of. But it is worth confirming.
Here is my honest advice, and it is the approach I wish more people took.
Read the textbook before you attend the instructor-led portion, whether that is in person or online. Do not treat the class as the place where you learn everything for the first time. Treat it as the place where the material gets reinforced and where you get your questions answered.
When you read the textbook first, write down anything you do not understand. Then when you go through the instructor-led portion, see if your questions get answered along the way. If they do not, that is exactly what your instructor access is for. Ask.
This matters more than people realize, because the class portion tends to be more scenario-based and practical, while the textbook is where the detailed legal foundation lives. If you have already worked through the hard material on your own, you can use the class to ask how those rules actually apply to real situations, which is a much better use of that time.
And take advantage of everything your provider offers. Some include journaling exercises, which the Ministry actually recommends as a learning technique, or sample quizzes. Do all of it. You can never really be over-prepared for this exam, and you do not want to put in all this time and effort only to have to write the test again.
I want to be honest about something, because I think it will help some of you.
When I did my training, I had been in Canada for about three months. I took the course in person, so I had a physical textbook. And I remember sitting with that textbook, reading the legal sections, and having to look up word after word just to understand what a sentence meant. My English was okay for daily life, but legal language is a completely different thing. My textbook ended up covered in pencil notes above the difficult words, where I had written out what they actually meant.
It was hard. The legal material was by far the hardest part for me, and honestly, those were the questions I got stuck on most during the exam too. A lot of the other material can be learned fairly quickly. The legal content takes more time, because you are not just memorizing it. You have to understand it well enough to apply it to real scenarios and know what you can and cannot do on the job.
And here is why that matters so much. Not understanding the law is not an excuse if you do something that breaks it. If you cross a line because you did not fully understand the rules, that can end up on your record. For a lot of newcomers, those first few years in Canada are especially important. You do not want anything on your record, but this matters even more when you think ahead to things like citizenship, where your history can be looked at closely.
So if you get to the legal material and find it hard, if you feel stuck or overwhelmed by the language, please know that you are not alone. This happened to me, and it has happened to countless other newcomers. The answer is not to rush through it or take it lightly. The answer is to slow down, take your time, and make sure you actually understand it.
The training itself is 40 hours. But how you spread those hours out depends on the provider and the format you choose.
Some in-person courses run intensively over about a week. Online instructor-led courses often let you move at a pace that fits your schedule, which can be faster or slower depending on your availability. On top of the 40 hours of training, budget real time for reading the textbook thoroughly and reviewing the harder material, especially the legal content. That outside time is not counted in the 40 hours, but it is the difference between passing comfortably and struggling.
If you rush it, you risk failing the exam and having to start that part over. If you give it the time it deserves, you walk into the exam ready. My advice is always to lean toward the second one.
Mary is the founder of Calrex Training Academy and has worked in the Ontario security industry for over 15 years, starting as a security guard and moving through roles in dispatching, supervision, and operations before specializing in emergency management and data analytics. She has hired and interviewed security guards and writes about security careers, licensing, and what it actually takes to succeed in this industry.