The total score of the six subjects in junior high is typically calculated by summing the individual scores of each subject. However, without specific data on the scores of the six subjects, it is impossible to provide an exact total. In the United States, junior high typically includes subjects such as mathematics, science, English language arts, social studies, physical education, and an elective or foreign language. The scores for each subject are usually on a scale, such as 0-100, and the total score would be the sum of these individual scores.

In the United States, the average score across these subjects can vary widely depending on the school, the student's academic level, and the specific curriculum. According to the National Assessment of Educational Progress (NAEP), which is a standardized test given to a sample of students across the country, the average score in mathematics for eighth-grade students in 2019 was 284 out of 500. For reading, the average score was 262 out of 500. These scores can be used as a benchmark to estimate the total score for a student who performs at the national average in all six subjects. Assuming a score of 284 in mathematics, 262 in reading, and similar scores in the other subjects, the total score would be approximately 1700 out of 3000.

However, it is important to note that these averages do not reflect the full range of possible scores. Some students may excel in certain subjects, while others may struggle. Additionally, the grading scale and the number of points available for each subject can vary by school district. For example, some schools may use a weighted grading system where certain subjects, such as advanced courses, are worth more points than others. This can significantly impact the total score.

Furthermore, the total score can also be influenced by the grading policy of the school. Some schools may use a cumulative grade point average (GPA) system, where the total score is converted into a GPA, which is then used to calculate the overall academic performance. In this case, the total score would be converted into a GPA based on the school's specific grading scale.

In conclusion, the total score of the six subjects in junior high is highly variable and depends on the individual scores in each subject, the grading scale used, and the school's academic policies. Without specific data, it is difficult to provide an exact total score. However, using national averages as a benchmark, a student who performs at the national average in all subjects could expect a total score of around 1700 out of 3000.