Hi Aaratrika,

Thank you for reaching out!

Yes, it is possible to study 11th and 12th grades in the USA or UK as an international student via a student visa.
In the USA, the study costs you 9 lakh-45 lakh per year.
In the UK, the study costs you 18 lakh to 47 lakh per year.

In the USA and UK, private or public high schools demand English proficiency, financial proof, and TOEFL/IELTS scores (IELTS score of 5.5–6.5).

For more information about Study Abroad, check out the Careers360 Study Abroad services:
https://studyabroad.careers360.com/

For everything about the education loan:
https://studyabroad.careers360.com/download/ebooks/know-all-about-education-loan

For the student visa in the USA:
https://studyabroad.careers360.com/articles/student-visa-for-usa

For the student visa in the UK:
https://studyabroad.careers360.com/articles/student-visa-for-uk

All the best.

Thank you.
Regards.
Careers360 Team