in the schoolat the school都行，取决于你用在哪里，你要写什么句子，我告诉你用哪个。
你好，很高兴为你解答，答案如下：在学校atschool希望我的回答对你有帮助。
at school
at school/on campus/in the school
正确的是at schoolat "the" school不对
