IELTS is an international English proficiency test jointly organized by the British Council, the Local Examinations Board of Cambridge University and the Australian Education International Development Agency. TOEFL is a brand-new comprehensive English test launched by ETS, an old American educational examination service organization.

Relatively speaking, American schools recognize TOEFL, while IELTS is more recognized in Commonwealth countries. If your children are going to Commonwealth countries (such as Britain, Australia, New Zealand and other countries) and some European countries, the new footprint suggests that you'd better let your children choose IELTS. If your child wants to study in the United States, Japan and other countries. It is suggested that they can choose to take the TOEFL score.

SAT is the abbreviation of American College Entrance Examination, sponsored by American College Board. SAT scores are an important reference for high school students from all over the world to apply for study and scholarships in famous American universities. Among them, the exam in March every year is only held in the United States.

SSAT is the abbreviation of middle school entrance examination, which is put forward by the entrance examination committee. SSAT mainly measures students' mathematics, Chinese and reading comprehension abilities, and examines candidates' logical thinking and development potential. For students of different ages, SSAT test is divided into high level and low level.

GRE is an American postgraduate entrance examination/qualification examination, which is a standardized examination sponsored by ETS to test the knowledge and skills of college graduates. In many English-speaking countries, especially the United States, GRE scores are regarded as one of the criteria for graduate admission.