Join the LEADING ONLINE PRIVATE SCHOOL

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

Portal Student

From Primary to High School

Welcome to Your Academic Roadmap at Crimson Global Academy! Whether you are just beginning your educational journey or preparing for university, our programs are designed to guide and support you every step of the way.

cga primary school

CGA Primary School

CGA Primary (Ages 8-10) focuses on core subject mastery with complimentary World Geography and Computer Science subjects, in preparation for international curricula within a global school.

cga usa junior high

CGA Middle School

CGA Middle School (Ages 10-13) comprises, US Junior High and CGA Lower Secondary school. Students can choose between 1:1 or group classes, available in part-time or full-time, where they begin to further explore academic subjects and new areas of interest.

cga lower secondary

CGA High School

CGA High School (Ages 13-18) is accredited to offer internationally recognised curricula from International GCSEs, A Levels to Advanced Placement courses and the US High School Diploma.

Discover A World-Class Education

Subjects at CGA

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Physics

Ignatius Ngara
14-16 YEAR OLDS
iGCSE

Study forces and motion; electricity; waves; energy resources and transfers; solids, liquids and gases; magnetism and electromagnetism; radioactivity

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English

12-14 YEAR OLDS
Pre-iGCSE

English is an important part of further studies. Students gain experience with styles of language, language techniques, and grammar.

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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.

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Online Education That Fits Your Lifestyle

With CGA, you can achieve academic excellence while pursuing your passions and maintaining a consistent educational experience, no matter where life takes you.

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Academically Ambitious

CGA is for students who are driven and focused on achieving academic excellence and with the goal to get into the world's best universities. With our personalised learning pathways, students at CGA can take control of their learning options regardless of age.

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Athletes & Performers

Young professional athletes with demanding training schedules requiring a flexible school timetable can join CGA as they simultaneously focus on their education while training or travelling around the world to pursue their passions.

travelling student

Travelling Students

Families who move frequently, whether for work, lifestyle or personal reasons, will find CGA’s fully online and internationally recognised curriculum the solution to consistency in their child’s education.

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Confident Learners

For students struggling at their current school, and those with special educational needs, CGA's inclusive environment and commitment to students' wellbeing enables them to confidently progress in their education.

Choose Your Way to Learn Online

Your Future Begins Online with CGA

CGA is not a one-size-fits-all school. Start with a highly personalised 30-min discovery call (via zoom or phone call) with an experienced Academic Admissions Officer to:

  • Understand your child’s academic interests and university goals.
  • Evaluate suitability for our online school.
  • Discuss the best enrollment options and start times for your family.
Start your online education journey with CGA

Latest blog posts, videos & news

CGA's 2026 AP Results: 33.8% of Scores Were a Perfect 5

CGA's 2026 AP Results: 33.8% of Scores Were a Perfect 5

Crimson Global Academy students earned a perfect 5 on 33.8% of AP exams sat this year, up from 30.7% in 2025. The national average...

Honouring Global Academic and Leadership Excellence at the 2026 CGA Greenwich Prizegiving

Honouring Global Academic and Leadership Excellence at the 2...

Distance is no barrier to excellence! Look inside the highlights of the CGA Greenwich 2025/2026 Prizegiving Ceremony, celebrating ...

Digital Excellence: CGA Finalist for Innovation at The PIEoneer Awards 2026

Digital Excellence: CGA Finalist for Innovation at The PIEon...

The global momentum at Crimson Global Academy shows no signs of slowing down. Fresh off a string of recent international accolades...

READY TO JOIN A GLOBAL ONLINE SCHOOL?

Online School FAQs

1500+

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

60+

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

200+

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