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私立學校自己買的課本,當然不回收. 公立回收是因為課本是免費使用的.
美國的教科書死沉死沉的,再加上大的binder,反正能把孩子的肩膀給壓垮了.現在不少都用電子版本,這樣能減輕一些負荷.
書包買Jansport這個牌子好了,用一到兩年沒有問題.

課本要自己買。可以買舊書。用過的課本也可賣給下一級的同學。

也要看學校。有的私立學校課本也要收回的，供下一年的學生使用。一般，學校會在給家長的信中提及是否要自己買書，或者是用學校的書。

美國高中數學物理教師

There are recycling of books. For example, at PEA, at the end of each term, students can take their textbooks back to the bookstore to sell back to the school. Students can also buy used books if they don’t want to spend a lot of money on new books. I personally would recommend buying used books since there might be useful information written into the book.
Normally each class would have one textbook. Sometimes the subject teacher may not require you to bring the textbook to class. There are also classes that have open book exams. So it all depends on the teacher and the subject.

In the US, kids do not use pulling luggage. Most kids would use backpacks. So if you don’t want to look different than other students, suggest you use a backpack that has good support for the back.