Education is valued greatly in Japanese culture; maths is recognized as an important compulsory subject throughout schooling; and the emphasis is on hard work coupled with a focus on accuracy.

在日本文化中，教育极受重视；数学被视作整个学校教育过程中一门重要的必修科目；刻苦努力和精益求精的精神也颇受重视。

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English is a compulsory subject at this level.

英语在这一级别是必修科目。

《牛津词典》

So to the student of playing the accordion, studying the keyboard music of Bach is an important compulsory subject.

因此对于手风琴表演专业的学生来说，学习演奏巴赫的键盘作品是一门十分重要的必修课。

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In March, Education Minister Liz Truss announced PSHE would remain a non-compulsory subject, saying it should be down to schools and teachers to decide on the topics covered in lessons.

BBC: Poor sex education leaves pupils vulnerable - Ofsted

Labour said its policy was to make the subject compulsory to 18.

BBC: New qualification to boost post-16 maths numbers urged

But the government says it is already a compulsory National Curriculum subject and the English Baccalaureate is to encourage more students to take up geography and history in addition to RE - not instead of it.

BBC: UK