Navitas English has an extensive program with two locations centrally located, check them out. - Level 4, 11 York Street, Sydney 02 8246 6800 - Level 1, 237 Oxford Street, Bondi Junction 02 9389 7204 http://navitasenglish.com
The University of Sydney offers ESL classes which is a great option if further study is a goal.
https://cce.sydney.edu.au/courses/language-culture/english - Understanding English Grammar Level 1 - English Pronunciation Course for Overseas Born Professionals - Enhancing Your English Course - Steps Towards Better Writing - Enhancing Your English Course: Steps Toward Better Writing Standard (Part 2) - Enhancing Your English Course: Steps Toward Better Writing Advanced - Understanding English Grammar Course Level 2 - Understanding English Grammar Course Level 3
Some other popular places offering English classes. Sydney College of English www.sce.edu.au - General English - English for Academic Purposes - English for Specific Purposes - Courses for High School Students - Examination Preparation
English Language Company 495 Kent Street, Sydney (02) 9267 5688 www.elc.edu.au/en/home - General English - Academic English - Business English - IELTS Exam Preparation - Cambridge Exam Preparation
Greenwich English College Level 2, 396 Pitt Street (entry via Goulburn St) Sydney (02) 9264 2223