Hi Lakshman,
You can go for higher education abroad after your 12th.
I suggest first decide which area and subject you would like to continue your higher education in.
For UG courses in the USA and a few other countries, you are required to score well in SAT or ACT . Along with it, you should showcase your English proficiency through the various English proficiency test s like IELTS and TOEFL .
Do decide what you would like to study and we can discuss it further.
Best wishes,
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