The living expenses in Hong Kong depends on the life style of the student, but the following estimates may be helpful in working out a basic budget. Please note that these are not exact numbers and may be subject to change due to the economy of Hong Kong.

Rent for a 400 sq.ft apartment :
HK$ 6,000 - 7,000 per month
Textbooks :
HK$ 500 - 600 per term
Meals :
HK$ 100 - 120 per day

2nd class train
(Kowloon-University single journey) :

HK$ 6.5
Bus fare :
HK$ 2.7 - 25
Movie ticket : HK$ 35 - 65

Eligible students can apply for concessionary MTR (subway) fare status. (usually 50% off on regular price). Certain application/ handling fee applies.

Eligibility
(a) aged between 12 and 25
(b) enrolled on day course, 15-credit per week in CLC

More information: Mass transit Railway Co. Ltd.
http://mtr.com.hk/eng/whatsnew/