The USA's Leading Edge Online School

World-class education awaits students of all levels - from primary to high school. Ranked #3 online high school and #25 best private school in the US, we are the premier destination for the US Diploma and APs!

Fall 2024 enrollment now open.

Fall 2024 enrollment now open.

Fall 2024 enrollment now open.

Fall 2024 enrollment now open.

Summer Program now open.

Summer Program now open.

Summer Program now open.

Summer Program now open.

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Study online with CGA

The CGA US Diploma is an online, project-based program that empowers students to take classroom concepts and expand on academic ideas to solve real-world problems and develop digital portfolios that capture their unique talents and vision of the world.

We pride ourselves on providing the perfect mix of project-based, career-focused courses and academic rigor. Students typically graduate with a comprehensive portfolio of project-based work as well as the completion of several AP exams, demonstrating both real-world accomplishment and robust academic achievement.

Our classrooms are engaging and global. Our graduates go on to attend some of the world's most competitive universities.

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
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Experience Our Open Day On Demand

Discover the possibilities of an online education for your child with our Global Open Day 2023.

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

US High School Diploma Curriculum

In every course, students work in an inquiry-based classroom with teachers and peers to expand their knowledge and transfer academic concepts across content areas. Exploring how academics and the world are interconnected gives education a new level of relevance. Throughout a student’s time enrolled in the US Diploma Program they will build portfolios that encourage reflection, and allow them to showcase their mastery of course material.

Top reasons why families choose 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.

Meet some of our CGA Students

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  • Jade
  • Max


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.

Qualifications Recognized by Top International Institutions

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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.

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

Latest blog posts, videos & news


Frequently Asked Questions

What kind of student is a good fit for the program?

We offer international qualifications for ambitious students aged 12 to 18. Students who are driven, ready to accelerate their studies, and interested in applying what they learn in school to real-world problems.

Is the US diploma program accredited?

CGA is happy to share that our high school program will be fully accredited for grades 9 through 12 by the Western Association of Schools and Colleges.

What are the program dates?

New classes start in September, January, and June

  • Term 1 - September to December
  • Term 2 - January to May
  • Term 3 - Summer from June to August

Advanced Placement (AP) courses start once per year and run from September to May.

What are the graduation requirements for a US Diploma?

Students have the option to earn a Standard Diploma (18 credits), an Accelerated Diploma (18 credits), or an Honors Diploma (24 credits). CGA students should have a personalized approach to their education. We can work with students to find the right diploma path to achieve their goals.

Students must earn a minimum of 18 credits to earn a US diploma. These are further broken down as follows:

  • English (4 credits)
  • Math & Computer Science (4 credits) including 1 credit of Algebra and 1 credit of Geometry
  • Science & Engineering (3 credits) including 2 credits with a lab component
  • Social Studies (3 credits)
  • Electives (4 credits)
What do I get upon completion of the program?

After meeting all the requirements, students receive a graduation diploma from CGA, USA. This diploma is an internationally recognized credential that can be used to apply for top universities in the US and all over the world.

When can I start classes?

CGA, USA offers three terms. Students can start classes in September, January, or June. AP courses must be started in September as they run from September to May.

Can I earn the diploma at an accelerated pace?

A US Diploma is is an internationally recognized credential. CGA, USA can offer multiple pathways to earning a Diploma. The standard program is designed for 4 years, however at CGA we you can learn based on ability and maturity, not age. Upon discussions with your counselor, some students might be able to complete it in a shorter period of time.

Our Diploma Requirements have been designed to meet the Florida Department of Education requirements so that students receive a rigorous college‐prep, yet a balanced education while maintaining the flexibility to meet individual student goals for life after graduation. Student course plans can be adjusted to include more than 18 credits based on the students academic goals.

However, it is important to remember that the CGA, USA graduation requirements might not fulfill certain college entrance requirements. Students must work closely with the School Counselor to ensure they meet the college entrance requirements.

How do I find exam sites?

You do not need to find exam sites. A US Diploma does not require outside examination sites. Students show course competency through a variety of assignments, projects, and online assessments. Students who wish to sit for an AP exam to earn additional college credit will need to find local AP testing sites.

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