Secondary school level - Grade VII to Grade X
OIS provides the following curriculums as options at the Secondary school level
CBSE (VI- X) - At the secondary school level, from grade VI to grade X, Oakridge International prepares one group of students for the All India Secondary School Examination (AISSE) administered by the CBSE on completion of Class X, while another group does the Cambridge Lower Secondary Programme in classes VII, VIII (with the option of the Cambridge Checkpoint) followed by the Cambridge International General Certificate of Secondary Education (IGCSE) in classes IX and X.
In particular, the Secondary school curriculum is designed to: 
- Enable a smooth progression from primary to secondary and beyond.
- Equip learners with the personal, learning and thinking skills required to succeed in education, life and work.
- Motivate and engage learners.
- Prepare young people for the world of employment and continuing education.
- Make learners more aware of and engaged with local, national and international communities.
- Encourage learners to take responsibility of their own health and safety and appreciate the benefits and risks of the choices they make.
- Promote the intellectual, personal, social and physical development of all learners.
- Establish high expectations for all, extend horizons and raise aspirations.