Can you help me to express the following sentences more naturally in English?
1. Korean high school curriculum focuses only on English, math, and science. there are a total of 16 hour classes per week for each subject stated above.
2. However, schools allocate only 3 hour class for music, art and gym classes a week.
3.Concentration only on such subjects( math, English..) wil cause imbalance of learning for students.
The Korean high school curriculum in allocating 16 hours per week for core subjects (English, math and science) and only 3 hours per week for non-core subjects (music, art and gym) does not provide students with a well-rounded education in mastering skills that prepare them for their future years, which include physical, social, creative, and emotional development.