To gain admission into Zhixìn High School, students typically need to score a minimum of 590 points on the national college entrance examination, known as the Gaokao. This score is a general guideline, as the specific requirements may vary depending on the student's academic background and the competitiveness of the applicant pool in a given year.

The reason for this requirement lies in the school's reputation and academic standards. Zhixìn High School is one of the most prestigious schools in China, known for its rigorous curriculum and high academic performance. According to data from the Ministry of Education, the average Gaokao score of students admitted to Zhixìn High School has been consistently above 590 points over the past five years. This high threshold ensures that only the most academically talented students are admitted, maintaining the school's high standards and competitive edge.