【正确答案】 1、no point/no use/no sense/no need(in)registering/enrolling in this school    

【答案解析】[详细解答] there be no point/no use/no need/no sense(in) doing sth．或it's no use doing sth。表示“没有必要、没有理由做某事”，如：There is no point(in)telling her anything.没必要告诉她任何事情。There is no sense in electing her chairman．没有理由选她当主席。英语中register，enroll表示注册，既可做及物动词，也可做不及物动词，如：We enrolled in the army．我们登记入伍了。