他说他要上学用英文怎么说

你可以说：

他说他要去上学。

这句话的来源是英语中常用的句型之一，表示某人打算做某事。

其他相关的英文例句包括：

He said he was going to school. (他说他要去上学。)
She said she was going to the pbrary. (她说她要去图书馆。)
They said they were going to the park. (他们说他们要去公园。)

希望这些信息对你有帮助。