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Affiliations & Accreditation

21K School is a formal recognised and accredited K-12 School offering Indian, American and British Curriculum online for students aged 3 to 18 years in India and abroad.

We are changing how children learn and grow. With more than 6,000 students from 500 cities -all over the world studying with us, we have an Indian, American and British curriculum that is just as traditional in its approach to education as any other school system – but with better learning outcomes! With our unique, cutting-edge platform you will find all the elements of a school delivered in an exciting manner. We use the best teachers and state-of-the-art technology to educate students on their own time with no hassle or regret!

Indian Curriculum

The 21K school follows the National Curriculum Framework of India up-to middle school curriculum. It also uses a system based on NIOS as a private candidate for exit level examinations in Grade 10 and 12, where Marks Sheets and Pass Certificates are issued by NIOS, an autonomous body under Government of India. These certificates are at par with CBSE or CISCE Certificates and valid for entry to Colleges and Universities including IIT, Medical Colleges and UPSC.

British Curriculum

21K School's British Curriculum includes both Pearson Edexcel and Cambridge Assessment International Education (CAIE).

21K School is affiliated and recognised by Pearson Edexcel, the largest awarding organisation in the UK. Pearson Edexcel enjoys Extensive worldwide recognition and is regulated by Ofqual. Pearson Edexcel International qualifications come from the same team that provides the UK regulated versions and therefore ensures comparability tothe UK versions and alignment to the UK government's intentions to raise standards. Pearson Edexcel has set the standard for worldwide recognisedqualifications, built on the UK educational system and accepted by universities worldwide, for more than 150 years.

21K School is an approved centre of Edexcel bearing affiliation number 94883.

21K School is also approved by Cambridge Assessment International Education to offer Cambridge International Examinations fully online. 21K School is now part of a community of 10,000 Cambridge International Schools in more than 160 countries, who are dedicated to helping students develop a lasting passion for learning, as well as the skills they need for life. The Cambridge Pathway combines a world-class curriculum, high-quality support for teachers and integrated assessment, including Cambridge IGCSE and Cambridge International AS & A Level qualifications, which are recognised by universities worldwide.

21K School is an approved online school of Cambridge with affiliation number IA702.

American Curriculum

21K School has partnered with Stride, Inc. USA (formerly K12 Inc.) (NYSE: LRN) - world’s leading online school offering high-quality personalised learning programs for students. Since its inception, Stride has provided more than ten lakh students in kindergarten through 12th Grade with online and blended educational offerings that include an award-winning personalised curriculum and platform specifically from The Keystone School, an accredited private online school for students worldwide.

The Keystone School is accredited by Cognia and Middle States Association of Colleges and Schools' Commissions on Elementary and Secondary Schools, both of these are recognised in India and abroad.

Cognia accreditation includes all programs at The Keystone School. Accreditation by Middle States Association of Colleges and Schools (MSA-CESS) includes Keystone's elementary, middle school, high school, credit recovery, and Adult HS Diploma programs. Keystone's courses and diploma are widely accepted by schools, colleges, and employers across the Globe.

About Cognia

Cognia is the largest community of education professionals in the world. They are a non-profit, non-partisan organization that conducts rigorous, on-site reviews of a variety of educational institutions and systems to ensure that all learners realize their full potential. With expertise grounded in more than a hundred years of work in school accreditation, Cognia is far from a typical accrediting agency. Their goal isn’t to certify that educational institutions are good enough. Rather, their commitment is to help these institutions continuously improve.

About MSA-CESS

The Commissions on Elementary and Secondary Schools accredit early-childhood through post-secondary, non-degree granting public, private, faith-based educational institutions including special purpose schools, supplementary education centers, learning services providers, and distance education institutions. The Commissions also award accreditation to member institutions in more than 85 countries around the world.

Additional Approvals and Licenses

In addition, The Keystone School carries a rating of A- from The Better Business Bureau, and has received Homeschool.com's Seal of Approval and is among their list of Top Choice Homeschooling Curriculum providers.


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