There are two types of Education providers in Singapore
Public universities
NUS ( National Univerisity Of Singapore)
NTU (Nanyang Technological University)
SMU (Singapore Management University)
These are the prominent public universities in Singapore .
The next type is PEO(Private Education Organization)
Some of the Prominent PEO's are
1. SIM ( Singapore Institute of Management)
2.MDIS (Management Development Institute of Singapore)
3. JCU Singpaore(James Cook University)
4.EASB (East Asia School of Business)
5. PSB Academy
You can check out the courses from the links of the Colleges mentioned here .
Once you get an offer from the college you will need to show the financial ability to prove that you have enough money to support your education and living in Singapore . Only after this Your Student VISA will be granted . Part time jobs are strictly not allowed in Singapore for international students.
If you have further doubts leave your quert and your mail id in the comments i will get back to you with the answer .