Australia's leading edge online school

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

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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

Our University Admissions Results Are In!

It has been an incredible year of university admissions success, with our students receiving over 60 offers from prestigious institutions worldwide, including Ivy League universities, Princeton, Columbia, and Cornell, alongside 5 offers from Oxbridge and 21 from the world's top 20 universities.

student outcomes


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


A 24/7 global timetable to suit multiple timezones.


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

CGA Top 3 Finalist World's Best School Prizes in Innovation!

We are proud to announce that Crimson Global Academy has been honoured as one of the Top 3 finalists for the renowned World's Best School Prizes in Innovation!

This recognition is a testament to our commitment to providing an exceptional educational experience that puts our students on the world stage. 

World's Best School Prizes

How To Start Your Online Education Journey With CGA

CGA is not a one-size-fit-all school. Each family commences their journey through a highly personalized 30-min discovery call (via zoom or phone call) with an experienced Admissions Officer to:

  • Understand your child’s academic interests and university goals.
  • Evaluate suitability for our online high school.
  • Recommend enrolment options and timing.

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

Start your online education journey with CGA
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Try an online class

Experience what online learning could look like. At CGA every student has a front-row seat in our small, live and engaging classrooms and are taught by top international teachers.

Explore Crimson Global Academy

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CGA's Accreditations and Rankings

Explore CGA's Accreditations and Recognitions that validate the quality and credibility of our educational programs.

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 college admissions experts and 1,700+ extracurricular partnerships and activities.

Crimson Education

Meet some of our CGA Students

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  • Jade
  • Max

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.