In the Senior school students start their South Australian Certificate of Education (SACE) by doing the compulsory SACE subjects in Year 10 (Stage 1 Australian Studies and Stage 1 Work Education).

After Year 10 there is the option of completing SACE, Vocational Education and Training (VET) courses or a combination of both.

For the involvement of the performing arts in the wider community, Tatachilla Lutheran College won the National 1169 ABC Classic FM Flame Award, which showcases outstanding music programs in Australian Schools.

Tatachilla's computer network is dual platform, with the capability to run Windows and Mac based programs.

A Virtual Private Network is also available, which allows students to access the school server from any home computer that has an internet connection.

There have been seven distinct ecosystems mapped in the area including: Meetings are held regularly by the Friends of the EcoClassroom group (FOEC) and the fauna is monitored.