In Year 10, all students study English, Mathematics, Science, History, Geography, and PDHPE. Students also participate in careers seminars and work experience is compulsory.

In addition, Year 10 students choose two electives from Commerce, Dance, Drama, French, Hebrew, Information & Software Technology, Music, and Visual Arts.

Students must study at least 12 units in Year 11 (the Preliminary HSC year) and at least 10 units in Year 12 (the HSC year). Apart from the compulsory two units of English, students are encouraged to pursue courses relevant to their interests and career aspirations.

The timetable structure and courses offered vary from year to year and are dependent on student choices.

Students may choose from a wide variety of academic courses including Mathematics Advanced, Mathematics Extension 1 and 2, Mathematics Standard 2, Music Extension, English Advanced, English Extension 1 and 2, English Standard, English EAL/D, Modern History, Ancient History, History Extension, Information Processes & Technology, Software Design & Development, Biology, Chemistry, Physics, Business Studies, Economics, Legal Studies, Geography, Personal Development, Health, and Physical Education, French continuers, Visual Arts, Music 1 and 2, Drama, Dance, and Modern Hebrew continuers.

To cater to the diverse needs and interests of Reddam students, provisions have been made on the school timetable allowing students to attend vocational-based TAFE courses as well as NSW School of Languages for languages not offered at Reddam.

Students also have the opportunity to study their ethnic language at Saturday School of Community Languages. Special arrangements may also be made for students to study a particular subject through distance education when their choices are relatively unique among the cohort.