The curriculum followed at Holy Trinity Church School is that recommended by the Council for the Secondary School Certificate Examinations. The school trains children to appear for the ICSE examination and also offers courses at the ISC level in Science & Commerce.

For purposes of curricular organization, the school is divided into four sections:

• Pre School - Nursery, LKG and UKG
• Primary school – Std.I - Std.V
• Secondary school - Std.VI - Std.X
• Higher Secondary School – Std.XI - Std.XII

However, the entire school is treated as one single unit, under a single Principal. There are co-ordinators, one for each section.

At the higher secondary level, i.e ISC, Two streams – Science & Commerce are offered. The subjects offered for each stream are :

• The school has well equipped Science laboratories and Computer laboratories that have the latest configuration computers along with Internet access.
• The school library is extremely well stocked and has the latest publications as well as magazines.