IB IGCSE CBSE

IB PYP - The International Baccalaureate Primary Years Programme (PYP) is designed for students aged 3 to 12.

IB MYP - The International Baccalaureate Middle Years Programme (MYP) is designed for students aged 11 to 16.

IB DP - The International Baccalaureate (IB) Diploma Programme is a challenging two-year curriculum, primarily aimed at students aged 16 to 19. It leads to a qualification that is widely recognized by the world’s leading universities. (asr: 11, 12 grades )

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CBSE India 9-12 grades
The Central Board of Secondary Education is an eminent board of school education in India.The CBSE prepares the syllabus for students from Class 9 to Class 12, for schools affiliated with it.
- It conducts two major examinations: the All India Secondary School Examination (AISSE) for Class 10 and the All India Senior School Certificate Examination (AISSCE) for Class 12, which is a school-leaving examination. It also prescribes the syllabi for these examinations, whose scores are necessary to gain admission in institutes of higher education. Many private schools throughout the country affiliate themselves with the CBSE.

http://www.cbse.nic.in/

ICSE:
The Indian Certificate of Secondary Education (ICSE) examination is an examination conducted by the Council for the Indian School Certificate Examinations for class 10, i.e., grade 10. It has been designed to provide an examination in a course of general education
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Oakridge Offerings
Oakridge is primarily committed to preparing students for the All India Secondary School Examination (AISSE) on completion of Class X and the All India Senior School Certificate Examination (AISSCE) on completion of Class XII conducted by the Central Board of Secondary Education (CBSE).

General syllabus, subjects and topics as per CBSE guidelines and as prescribed in textbooks published by the National Council for Educational Research and Training (NCERT).

From Pre-Primary 1 to Class VI, this CBSE content is integrated with the inquiry and skills based systems of the Primary Years Programme (PYP) of the International Baccalaureate (IB).

From Class VII to Class X, primary focus is on success in the AISSE but OIS adds greater academic value by incorporating methods akin to the Middle Years Programme (MYP) of the IB.

Option at the senior secondary level (11,12 grades) – either AISSCE or the International Baccalaureate Diploma Programme (IBDP).
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How Indus school is offering

- for grade 11, 12: IB DP
We have applied to the IBO to be authorized to implement the International Baccalaureate Diploma Programme (IBDP) a two-year course of study at the high school level.

- for 9, 10 grades : IGCSE Programme
. The examination is typically taken at the end of two years in Grade X.
. The International Certificate of Secondary Education (IGCSE) is a balanced international curriculum conducted by the University of Cambridge Local Examinations Syndicate. The curriculum is suitable for students of all nationalities and all levels of ability. It provides an ideal preparation for higher level courses such as GCE 'A' level, SAT, ACT and IBDP.

. IGCSE is used by schools in over 100 countries. It is recognized as equivalent to the British 'O' level and as a qualification for matriculation by Universities in many countries.

- Middle School Programme : 6,7,8 Grades: IB MYP
The Middle School Curriculum culminates in the International Baccalaureate Middle Years Programme.

- Priamy School Programme : IB PYP
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ASR Note: Both Chettinad and OakRidge follow CBSE not ICSE , so CBSE seems more standard

The school enrolls children from kindergarten to high school. It is affiliated to the Central Board of Secondary Education (CBSE), India.