SIS30321 Certificate III in Fitness
Study Modes
Blended (Face-to-face at Diamond Fitness & online study)
School Academic Year - attendance 1 day per week during school term

Course overview

Looking for the perfect launchpad for your fitness career? AIF’s SIS30321 Certificate III in Fitness course provides you with the training and skills you need to become a successful Gym Instructor.

Developed in consultation with industry, SIS30321 Certificate III in Fitness will train you in the essential skills needed to launch your fitness career.

Delivered face-to-face at the Diamond Fitness facility in Osborne Park, you will discover how to incorporate the latest health, fitness and training principles into your programs, as well as learn nutritional information to strengthen your ability when conducting fitness tests and appraisals with your clients. In addition, you will also gain an understanding of how to work effectively in sport, fitness and recreational environments, including how to apply risk management processes.


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Who this course is for

  • Those who love fitness, and want to make it their career
  • Those who want to help other people achieve their fitness goals and change lives
  • Those who are looking for a career change, and have a passion for health and fitness
  • Those with a passion for group fitness and who want to jump on the industry’s latest group training trends
  • Those who are eager to expand their own fitness knowledge

Career opportunities

  • Fitness Coach
  • Gym Instructor
  • Group Exercise Instructor
  • Fitness Manager

Training & assessment

Course components include over 30 sessions and a range of knowledge checks and assessments to ensure you are industry-ready.

SIS30321 Certificate III in Fitness

Competency Code Competency Title
HLTAID011 Provide First Aid
BSBPEF301 Organise personal work priorities
SISFFIT032 Complete pre-exercise screening and service orientation
SISFFIT033 Complete client fitness assessments
HLTWHS001 Participate in workplace health and safety
SISFFIT040 Develop and instruct gym-based exercise programs for individual clients
SISFFIT047 Use anatomy and physiology knowledge to support safe and effective exercise
SISFFIT052 Provide healthy eating information
BSBOPS304 Deliver and monitor a service to customers
SISFFIT035 Plan group exercise sessions
SISFFIT036 Instruct group exercise sessions
SISFFIT037 Develop and instruct group movement programs for children
SISXFAC001 Maintain equipment for activities
SISXDIS001 Facilitate inclusion for people with disability
SISXFAC002 Maintain sport, fitness and recreation facilities

Entry requirements

To be eligible for the Fitness Coach course, students must have an interest in fitness, have a computer and internet access, be over 16 years old and meet AIF’s acceptance criteria, which includes an eligibility interview and demonstrating satisfactory levels of language, literacy and numeracy.



Face-to-face components are delivered at Diamond Fitness facility: 4/7 Leeway Crt, Osborne Park, WA 6017

Diamond Fitness

The Australian Institute of Fitness is partnered with Diamond Fitness to deliver our fitness qualifications via VET in Schools. The team at Diamond Fitness is made up of elite and experienced trainers and sports scientists. They have all participated at the highest levels of sport and know what it takes to succeed!
Their mission is to mentor and prepare future athletes, sports and fitness industry professionals to be the best human beings they can be, both physically and as members of a community.


Find out more about Diamond Fitness:

Enquire now

Complete the form to get in touch here.


Still have questions? Check out more FAQs here or speak with our friendly Careers Team on 1300 669 669

Why should I get qualified as a Personal Trainer through AIF's VET in Schools program?

If you want to be the best, you have to train with the best. Our delivery centres at Diamond Fitness are real elite strength and conditioning facilities with trainers that are currently working in the industry with a range of clients. This ensures our VETis students are industry ready straight out of school. Plus, there are alternate pathway opportunities including the ability to achieve university entry using your fitness qualification and appropriate general grades.

Do I need to speak with my school?

Yes, your school needs to know that you would like to participate in the program. You will be spending one day per week at Diamond Fitness’ training facility and your school will want to discuss your suitability, outcomes and proposed timetable. Available days for our VET in Schools programs are Tuesday, Thursday and Fridays.

How can I find out more?

Diamond Fitness run a series of information nights and offer student facility tours to ensure both parents and students can see the full picture of what is on offer. We’re not only focused on making great trainers, but great people, ready to make an immediate impact and perform at their best.


Here's why more
students learn with AIF

Train where the BEST train

Follow in the footsteps of the people who set the standard. Our graduates help us to keep raising the bar in the industry so you can rest assured that our training is the best of the best.

Fulfil your BEST potential

Be the best you can be and build your best career with our Career Head-Start Service™, providing unrivalled access to working opportunities. Become an industry leader.

Be part of the BEST Community

We are a community of leaders, past, present and future. Access our content, news, events and extra-curricular course and career upgrades.

The BEST facilities & support

We help our students to become their best every step of the way. You’ll have access to the tools and facilities you need to succeed, plus dedicated support time from our coaches with Support Plus™.