The amount of your tuition fees will depend on where you choose to study, and at what level. Normally, you should expect to pay between SGD 14,000 and SGD 50,000 per year. Concerning international students, there are lot of scholarships available. Some of these are gotten through the Singapore Ministry of Education, as well as others offered by non-governmental institutions. Usually the tuition fee for public institutions is usually lower than of private institutions.
International students also need to keep in mind when it comes to their living costs. On average, you should budget for around SGD 10,000 per year. You will be given the opportunity to work up to 16 hours per week during term-time, and full time during the holidays. If you are interested in getting a job, you will first need to get permission from your institution.