IELTS (International English Language Testing System):
Purpose: For study, work, and migration in English-speaking countries.
Sections: Listening, Reading, Writing, Speaking.
Tip: Understand the format and consider online IELTS coaching for structured practice.

TOEFL (Test of English as a Foreign Language):
Purpose: Required for admission to English-speaking universities.
Sections: Reading, Listening, Speaking, Writing.
Tip: Use official resources and take full-length practice tests.

SAT (Scholastic Assessment Test):
Purpose: Used for college admissions in the U.S.
Sections: Evidence-Based Reading and Writing, Math, optional Essay.
Tip: Practice with SAT prep books and timed tests.