The school originated from the middle school affiliated to the provincial capital of Sichuan Province, founded by 1908. 1953 was named Chengdu No.12 Middle School. In 2003, the school card of "Middle School Attached to Sichuan University" was added. In 20 13, it was approved by the Education Department of Sichuan Province as "the second-class demonstration ordinary high school in Sichuan Province"; In 20 16, it was approved by the Education Department of Sichuan Province as "a first-class demonstration ordinary high school in Sichuan Province".

As of September 2020, the school covers an area of 42,373 square meters, with a building area of 4 1 107 square meters. There are 99 classes with more than 4,000 teachers and students.

The mode of "popular education" has kept the undergraduate online rate in the middle school attached to Sichuan University at 83% in recent years (the undergraduate online rate in the whole province is around 50% in most cases). In 2023, there were 26 people in the first batch of parallel classes, 2 of them passed 600 points, and 2 candidates were admitted to Sichuan University. Since 2023, more than 600 transfer students have passed undergraduate courses. Zhu, a candidate in the block class, got the highest score in liberal arts and Chinese in the city with a score of 134, and Zheng Yongping, a candidate in the block class, was admitted to China Renmin University.

School-running philosophy:

According to the students' learning situation (learning foundation, learning habits, learning characteristics, etc. ), determine the teaching objectives, design teaching ideas and organize teaching activities. Focus on stimulating students' interest in learning and cultivating their initiative in teaching; Teaching students learning methods and developing students' autonomy; Create an active thinking atmosphere in the classroom and cultivate students' creativity.