Ranks don't always depict how perfect a university is
Your choice depends on a lot of things - course, networking, opportunities, etc.
Plus, US offers a higher range of options to students
Whereas Singapore only has 4-6 well-known universities
You can check out these universities-
Johns Hopkins University
Massachusetts Institute of Technology
University of California, San Francisco
University of California, Los Angeles
Depends on a lot of factors-
Weather- Switzerland is colder
Language- The subject you choose might not be taught in English, but French (depends on the course and university you choose)
Cost- Switzerland is usually more expensive
Optional Practical Training (OPT) is given to F-1 international students that continue to maintain their status and if eligible they may apply for 12 months of OPT.
OPT provides hands-on work experience related to your chosen major.
You may also work under OPT after you have completed your program.
There are three types of Optional Practical Training (OPT): Pre-completion OPT, Post-completion OPT, and STEM OPT extension.
Curricular Practical Training includes either part-time and full-time training.
If you are approved for part-time CPT, you are allowed to work up to 20 hours or less within a week.
If approved for full-time CPT, you will be allowed to work more than 20 hours per week.