13th Dec 2025 – Club Activity (IX to XII) & Fee Day 17th Dec 2025 – Club Activity (VI to VIII) 20th Dec 2025 – Holiday 22nd Dec 2025 – Class Test (VI to IX) – Science/EVS, English & Senior Subjects 24th Dec 2025 – Christmas Day Celebration 27th Dec 2025 – Holiday Homework Distribution (VI to VIII), Winter Vacation Begins, Extra Classes for IX to XII, PTM (VI to XII: 9:00 AM – 12:00 Noon) 15th Jan 2026 – Holiday Homework Submission, Common Aptitude Assessment & Fee Day 16th Jan 2026 – School Reopens After Winter Vacation 19th Jan 2026 – Class Test (VI to IX) 26th Jan 2026 – Republic Day Celebration, 2nd Pre-Board (X & XII), Pre-Final (IX & XI) 3rd Feb 2026 – Class Test (VI to IX) 8th Feb 2026 – Common Aptitude Assessment for New Admissions 9th Feb 2026 – Class Test (VI to IX) 10th Feb 2026 – Fee Day & Final Examinations for Class IX and XI 17th Feb 2026 – Class Test (VI to IX) 21st Feb 2026 – Holiday 23rd Feb 2026 – Class Test (VI to VII – S.ST, Computer) & Annual Examination Begins (P.G. to VIII) 28th Mar 2026 – Result Declaration & Common Aptitude Assessment for New Admission
Probably the best school in Dehradun with great teachers that teach you beyond the teaching horizons. Inquire for an admission today !
The Altus International School (TAIS) has made a big impact on the city of Dehradun’s education scene by providing a well-balanced curriculum which is an immaculate balance of academics, sports, and cultural activities. Set up by The Altus Educational & social welfare society, the school recognizes the need for quality education for the children who are growing up to face an increasingly competitive world.
With the strong backing and expertise from educationists having a rich experience TAIS has taken the route of innovation and out-of-the-box approach to school education. The teaching methods and programs have been reworked in this institution keeping in mind the need of the children from homes where parents do not have enough time on their hands. It's a holistic approach – pupils learn, solve their problems in the classroom and move forward. They go home knowing that learning is fun, that it's a collective exercise.
No doubt TAIS is considered one of the best schools in Dehradun where children prepare themselves not for examinations but for Life. The school has well-qualified teachers, concepts are explained through audio-visual techniques and other innovative methods. Classrooms are equipped with interactive smart boards. Encouragement to project method and experimentation make the learning process more exciting.
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In the next five years our aim is to create extraordinary and academically strong students who can contribute for the development of the country.
Also to produce competent sportspersons who can participate in a variety of national and international sporting events.
A good head and a good heart are always a formidable combination.
We really consider ourselves fortunate that we found The Altus International School in Dehradun for both our kids – Rohan and Shavi. A BIG THANK YOU to all the teachers and staff members who have really made our kids independent and confident. Right from the time of admission process to going to school everyday, our kids have adjusted so fast with love, care and support provided by everyone, that they do not like to miss a single day at school, with every day filled with new learning and activities. All facilities are very well managed in the school.
Mrs. Smriti Rana and Dr. Rahul Rana
TAIS has brought a pleasant end to our search for a trustworthy, caring day boarding with a strong foundation for our kid Aryan. It provides loving, powerful, academic environment and nourishes kids with all physical, emotional and intellectual essence. Along with a challenging curriculum that prepares kids for higher colleges. kids have projects that evoke their natural urge to learn… Well qualified trained professionals guide kids with their love n affection to unleash their hidden unknown talents.. TAIS is a blessing to all the working parents who are struggling to raise their kids with STRONG, JOLLY, CONFIDENT, RADIANT personality.
Mr. Aman and Mrs. Sonam Verma
Have The Best Day Ever Photo Gallery!
The Altus International School (TAIS) has made a big impact on the city of Dehradun’s education scene by providing a well-balanced curriculum which is an immaculate balance of academics, sports, and cultural activities.
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