World-Class Learning, Your Way
Crimson Global Academy (CGA) is an accredited online private school for ages 7-18, ranked #2 Best Online Private High School by Niche.com. Students from 90+ countries learn together, each on a timetable built around their goals.
Study the British or American Curriculum
CGA teaches International GCSEs (IGCSEs) and A Levels to Advanced Placement (AP) courses and the US Diploma pathway. Not sure which suits your child? Pick your stage below and our Admissions Officers will help with the rest.
Who is CGA For?
Each family joins CGA with something different in mind. Which sounds most like yours?
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Academically Ambitious
Start A Levels or AP courses early, as many as your child is ready for, with university counsellors guiding their plans from day one.
Learn MoreAthletes & Performers
Your child can train, compete, and perform while school fits around them. Recorded lessons cover anything missed on the road.
Learn MoreTravelling Students
New country. Same school. Your child keeps their teachers and classmates wherever your family moves next.
Learn MoreIndividual Learners
Confidence grows when learning fits. Small classes and flexible ways to learn give you child room to find their feet.
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The Freedom to Learn Well
Your child brings the ambition. We bring the flexibility to pursue it, through live group classes, one-to-one teaching, or self-paced study, mixed however suits them. Every lesson runs on Learning Labs, our own platform, with teachers averaging 20+ years in the classroom.
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Grades That Open Doors
Strong grades give your child real choice about where they go next. In 2026, CGA students turned their grades into 325 offers from 190+ universities across the globe, 10 of them in the QS World Top 20.
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Our Accreditations and Rankings
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2,700+
Students
90+
Countries
300+
Teachers
9
Average Class Size
617
University Offers 2020-2026
40%
Study Above Their Grade
Life at CGA
“CGA solved all of my schedule problems...”
Student Eileen, China
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CGA Ranked #2 Best Private Online High School
49%
of 9th Grade Students Take an AP course
“I have the time and space to focus on my growth as a musician, while also explore different parts of my identity outside of being a musician and a student, such as creative writing and crafts.”
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Find Out if CGA Fits Your Child
Start With a Conversation
Talk through your child's goals with one of our Admissions Officers to see how CGA could fit, from curriculum and learning mode to full-time or part-time study.
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Download Prospectus
Everything you need to know about CGA in one place, from curriculums and timetables to how enrolment works. Read it in your own time, and share it with anyone helping you decide.
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Try an Online Class
The best way to understand learning at CGA is to try it. Join a class and see for yourself how our teachers bring a global classroom to life, live and online.
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