AP class in senior high school refers to the pre-university course in senior high school, which is the abbreviation of Advanced Placement(AP). AP classes usually require students to take relevant exams while studying college courses in high school to get college credits. This is to help students better adapt to university life and improve the competitiveness of applying for universities. Moreover, students who take AP courses are more likely to apply to top universities than students who take ordinary high school courses.

The curriculum of AP class is very compact, and the teaching materials and topics are all at the university level. AP courses, including English, mathematics, social sciences, natural sciences, languages, etc. , designed for students who meet challenges and seek high-intensity learning experience. Students in AP class usually spend more time studying and homework to cope with this intensive curriculum arrangement, and teachers have higher requirements for students' test scores.

The success of AP class is beneficial for students to apply for the college entrance examination, because it is the most influential pre-university course in the world and is also considered as a competitive advantage. Many famous high-level universities tend to admit AP students because they have higher university-level knowledge and skills. At the same time, AP class has laid a broad knowledge base for students, especially in mathematics science and English, which helps them to make full preparations for future university courses.