SIS30321

Certificate IIIin Fitness

Study fitness online with Australia's longest operating fitness education provider. Get your SIS30321 Certificate III in Fitness and launch your career as a Gym Instructor or Group Exercise Instructor.

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QualificationSIS30321 Certificate III in Fitness
Study modeFlexible, online delivery + local gym practicals
DurationStudy at your own pace. Up to 12 months access.
Certificate III in Fitness

Your career as a Gym Instructor starts here

Study theory online, complete practicals at a local gym, and access trainer support when you need it.

AIF’s SIS30321 Certificate III in Fitness provides you with the training and skills you need to become a successful Gym Instructor. Developed in consultation with industry, this course will train you in the essential skills needed to launch your fitness career.

Our Career Advisors are on hand to guide you through the best study options to meet your career goals and availability. To learn more about our program, unit inclusions, practical requirements, study pathways and more, download your course guide now or book a call with a career advisor.

Units included in your program

Your SIS30321 Certificate III in Fitness comprises 15 units of competency.

SIS30321 Certificate III in Fitness — 15 Units* HLTAID011 Provide First Aid must be completed externally as it requires face-to-face learning. This cost is not included in your course fees.
Deliver and monitor a service to customersBSBOPS304Core
Organise personal work prioritiesBSBPEF301Core
Provide First Aid *HLTAID011Core
Participate in workplace health and safetyHLTWHS001Core
Complete pre-exercise screening and service orientationSISFFIT032Core
Complete client fitness assessmentsSISFFIT033Core
Plan group exercise sessionsSISFFIT035Core
Instruct group exercise sessionsSISFFIT036Core
Develop and instruct gym-based exercise programs for individual clientsSISFFIT040Core
Use anatomy and physiology knowledge to support safe and effective exerciseSISFFIT047Core
Provide healthy eating informationSISFFIT052Core
Respond to interpersonal conflictSISXIND009Elective
Work with people with mental health issuesCHCMHS001Elective
Facilitate inclusion for people with disabilitySISXPLD005Elective
Work with diverse peopleCHCDIV001Elective

Online, flexible learning to suit your lifestyle

Study Online + Local Gym = Flexible Study

You set the pace — whilst you have up to 12 months to graduate, you can accelerate your new career by studying as fast as you want from anywhere you want. Whilst other options can leave you stuck attending in-person classes, our online training platform means you get to take complete control of how and when you study.

Choose how quickly you graduate

Our online learning platform paired with flexible gym practical tasks means you can power through your studies quickly, or take a slower pace that suits your lifestyle — the choice is yours.

Complete practicals at your local gym

No campus, no commute. Our practical tasks are structured so you can record and complete them at any gym you choose — whether that's your local gym, a boutique studio, or where you already work.

On-demand assessor support

You're never stuck waiting for the next class to ask a question. Reach our qualified assessors at any time through our online contact methods — real support, whenever you need it.

Training, assessment and entry

What to Expect

Training and assessment

The program is delivered through online sessions, knowledge checks, and practical assessments completed at your local gym.

  • Over 30 structured online learning sessions.
  • Knowledge checks and assessment challenges throughout.
  • Practical tasks recorded and submitted at your local gym.
  • HLTAID011 First Aid completed externally (face-to-face, cost not included).

Entry requirements

Students must meet AIF acceptance criteria and age requirements before studying. AIF assesses suitability through an eligibility process.

  • Must be at least 15 years of age.
  • Computer and internet access required.
  • Language, literacy, and numeracy requirements apply.
  • Organise a suitable gym for practical placement.

Fees and payment options

Fees, payment options, and intake information should be confirmed with AIF before enrolment.

  • Download the course guide for full program detail.
  • Speak with the Careers Team for current fees.
  • Flexible payment plans available.
  • Contact AIF on 1300 669 669.
Industry Partners

Graduate into a network that opens doors

AIF's industry partnerships give you direct access to Australia's leading fitness employers — from national gym chains to boutique studios — so you can start building your career from day one.

Group fitness class stretching in a gym
Career Pathways

Your future career is waiting

Obtaining your Certificate III in Fitness will enable you to work as a Gym Instructor or Group Exercise Instructor, supporting gym members, supervising safe exercise environments, and delivering engaging gym or group fitness sessions.

Download course guide

FAQs

Find quick answers about the SIS30321 Certificate III in Fitness — study mode, practical requirements, career outcomes, and more.

What is the SIS30321 Certificate III in Fitness?

The SIS30321 Certificate III in Fitness is a nationally recognised qualification that trains you to work as a Gym Instructor or Group Exercise Instructor. It covers anatomy, physiology, gym-based programming, group exercise delivery, client assessment, and inclusive practice.

How long does the course take?

You have up to 12 months to complete your Certificate III in Fitness. You can study at your own pace — many students complete faster by dedicating more time to their studies.

Is the course delivered online?

Yes. Theory is delivered entirely online through AIF's learning platform. You can study from anywhere, at any time, on any device. There are no campus attendance requirements.

What practical requirements are there?

Practical assessments are completed at a gym near you — not at an AIF campus. You record your practical tasks and submit them for review. You will also need to complete HLTAID011 Provide First Aid externally (face-to-face), which is not included in your course fees.

What career can I get with a Certificate III in Fitness?

With a Certificate III in Fitness you can work as a Gym Instructor or Group Exercise Instructor in gyms, health clubs, leisure centres, and fitness studios. Many graduates use it as a stepping stone to their Certificate IV in Fitness (Personal Trainer).

Can I upgrade to Certificate IV in Fitness after completing this course?

Yes. The Certificate III in Fitness is the foundation qualification for the Certificate IV in Fitness (Personal Trainer). AIF's Master Personal Trainer Program combines both qualifications in a single enrolment — speak with the Careers Team to find out more.

How do I find out fees and payment options?

Speak with the AIF Careers Team for current fees, payment plans, and intake information. You can also download the course guide for full program details before making contact.