Any one can go for abroad studies .Now a days it is very easy to go for abroad studies.There is lots of countries out there,welcoming lots of students since it is a another money earning business for them.

If you completed you high school you can go for undergraduate degrees 

If you completed your degree you can go for you higher education such as Ms or PG in another country

For these you have get sufficient fud and meet the admoadmis criteria of the abroad Universities you were looking

You can go for USA, Canada and Germany as top destinations for avroad studies. 

For undergraduate courses you need to appear for SAt exam. 

For Postgraduate you need to appear GRE/GMAT exam alongside TOEFl/GRE for language speaking.