Australia's leading edge online high school

Crimson Global Academy (CGA) is an internationally accredited world-class online high school delivering live, real-time learning to ambitious students all around Australia.

Accepting rolling admissions throughout 2023

It's not too late to join our class. Enquire now to get started!
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Studying Online With CGA

At Crimson Global Academy (CGA) we challenge our students by providing a wider range of subjects they may not traditionally have access to, as well as opportunities to go deeper and study more advanced content through our online education platforms.

Students join our online classes from anywhere in Australia and have the option to either enrol part-time, in conjunction with their standard schooling, or in a full-time capacity in our IGCSE, A-Levels, Advanced Placement or EPQ programmes.

Who are we - Crimson Global Academy

CGA Accreditations



A class of diverse, international students and a community of like-minded peers.


A 24/7 global timetable to suit multiple timezones worldwide.


Top-tier teachers selected for engagement, inspiration and results.

Where are you in your learning journey?

At CGA we believe the right educational foundation should be set early.
So we offer programmes for students from age 12 till age 18.

12-14 year olds
14-16 year olds
16-18 year olds
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  • Online Pre-International GCSE and Academic ESOL

    Pre-International GCSE and Academic ESOL

    For those students looking to enter high school, we offer two programme options - the Pre-International GCSE as well as the Academic ESOL.

  • Online International GCSEs and Advanced Placement courses

    International GCSEs and Advanced Placement

    If you are in high school and looking to study the UK curriculum, or want to accelerate your studies with some extra classes, CGA's online high school is the right place for you. We offer full-time and part-time International GCSE classes as well as part-time Advanced Placement courses.

  • Online A Levels Courses

    International A Level and Advanced Placement

    For those students in the most crucial high school years, we offer the full-time and part-time online classes for the world's top curriculum - the International A Levels. We also help with US admissions by offering part-time AP courses through our online high school.

How To Start Your Online Education Journey With CGA

Crimson Global Academy aims to provide the best online education to students regardless of their location. Keeping this in mind, we offer two intakes per year. Students can join our online classes in February or August and can enroll full-time or part-time, based on their preference. We do not limit the number of classes and allow students to study to their ability, not age.

Enrolment to CGA is competitive as we aim to maximise personalised learning and student success through small class sizes. There are 4 easy steps to join CGA:

  1. Fill an application form
  2. Schedule a diagnostic test
  3. Complete an admissions interview
  4. Confirm your enrolment

Once enrolment is complete, our team will take you through a number of steps to ensure you are set up for online learning. Student onboarding ensures parents and students are set up with all their accounts. An induction course helps students understand daily life at an online school. And finally during orientation students can register for clubs and meet their teachers!

Speak to an advisor to understand what enrolment options and classes suit your needs and begin your journey with CGA!

Start your online education journey with CGA

Meet some of our CGA Students

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  • Jade
  • Max

Explore Crimson Global Academy

CGA is powered by Crimson Education, the world’s leading university admissions consultancy

Our students get access to Crimson’s 2,000+ global network of higher education consultants and 1,700+ extracurricular partnerships and activities.

Crimson Education

School Updates

See the latest news from Crimson Global Academy


Online School FAQs

Can I do online school instead of going to school?

Yes, at Crimson Global Academy we offer full-time enrolment options for students aged 13-18 in the International GCSE curriculum. Speak to an advisor to get started.

Can I complete my high school online?

At Crimson Global Academy, we offer the International GCSE and A Level curriculum for students aged 13-18. Our students attend a minimum of 19 hours of classes a week and have access to a full range of extracurricular activities as well as university counselling. Begin enrolling in our online high school here.

How much does online school cost?

Crimson Global Academy is a private global high school. We offer a pay-per-subject fee structure that covers an entire year of teaching. This means that each student has a tailored fee structure based on their enrolment options as well as the number of subjects they elect to take. Learn more about our fees here.

Can high school students take online college courses?

Advanced Placement (AP) courses are college-level classes that US high school students take. A good score in the AP exams can translate into college credit as well.

Crimson Global Academy offers part-time AP classes - which means you can take them in the evenings or weekends to secure college credit while in high school.

How do I enroll for an online high school?

Enrolling at Crimson Global Academy is easy. We offer both full time and part time options for the International GCSE, A Levels and AP curriculum. Our admissions team will guide you through the enrolment process - speak to an advisor to get started.

Can you start online school anytime?

At CGA we offer flexible enrolment options with two major intakes - in February and August - each year. If you want to join outside of these intake times, speak to an advisor to learn more.

Do universities accept online high school diplomas?

Most universities worldwide accept international curricula like the GCSEs and A Levels. At Crimson Global Academy, all our students graduate with an academic transcript that can be submitted for applications to global universities. It is advised you should still check with your university about particular admissions criteria.

Can you graduate high school early online?

If you are ready to accelerate ahead of your traditional school year, you might be able to complete high school early.

At Crimson Global Academy, you study to your ability, not age. By taking classes and exams based on your ability, you could accelerate past the traditional school age to graduate early. Speak to an advisor to find out more.