Hi,

The best place to computer science abroad is the United States. The country has a strong presence in computer science ranking.Here is alist of colleges you can apply to:

Massachusetts Institute of Technology

Stanford university

Howard university

Carnegie Mellon University

University of Califonia

Princeton university

and many more

You can find many colleges and about them in the link given below:

https://www.topuniversities.com/university-rankings-articles/university-subject-rankings/top-universities-us-computer-science

All the Best.