The total score of Guangdong high schools varies widely depending on the specific school and the grading system used. In general, high school students in Guangdong, China, are evaluated based on their performance in national and provincial exams, as well as their overall academic record. The total score is often a combination of these factors, with the national and provincial exams typically carrying the most weight.

In Guangdong, the Gaokao (高考), or National College Entrance Examination, is a crucial component of the high school grading system. The Gaokao is a standardized test taken by all high school seniors in China, and it is used to determine admission to higher education institutions. The Gaokao consists of multiple-choice questions and essay questions, and it covers a broad range of subjects, including Chinese, mathematics, physics, chemistry, biology, history, and geography. The total score for the Gaokao can range from 0 to 750 points, depending on the subjects taken.

In addition to the Gaokao, Guangdong high schools also use internal assessments and other exams to calculate the total score. These assessments may include mid-term and final exams, as well as project-based evaluations. The weight of these internal assessments in the total score can vary by school and by subject.

According to data from the Guangdong Provincial Education Department, the average total score for high school students in Guangdong in 2020 was approximately 580 points out of a possible 750 points for the Gaokao. However, this figure can be significantly higher or lower depending on the individual student's performance and the specific grading criteria of their school.

The total score of Guangdong high schools is influenced by several factors. Firstly, the rigor of the curriculum and the quality of teaching can significantly impact a student's performance. Guangdong is known for its competitive education system, with many schools offering advanced courses and rigorous academic programs. Secondly, the level of preparation and study habits of individual students play a crucial role in their total score. Lastly, the grading system itself, which often includes a combination of national, provincial, and school-based assessments, contributes to the overall score.

In conclusion, the total score of Guangdong high schools is a multifaceted measure that reflects a student's performance across various assessments, including the Gaokao and internal school exams. The average total score can provide a general indication of the academic rigor and performance of high school students in Guangdong, but it is important to consider the individual circumstances of each student and school when interpreting these scores.