Although primary education is compulsory in China, poorer families are unable to pay even the small fees required, compelling them to take their children out of school.
虽然小学教育在中国是义务教育，贫穷人家还是无法支付低廉的学费，他们的小孩子被迫离开学校。
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Fees for compulsory school trips are also covered in our tuition fees and optional school trip expenses are borne by the parents or guardians.