Students who attend Timaru Girls' High School may work towards the following awards:

Year 9, Year 10 All students follow a compulsory "core" consisting of English, Social Studies, Science, Mathematics, Physical Education. There will also be some electives, differing from one school to another.

• Year 11 National Certificate in Educational Achievement (NCEA)
• Year 12 National Certificate in Educational Achievement (NCEA)
• Year 13 National Certificate in Educational Achievement (NCEA) and University Entrance