I have made many websites for China-based English schools. This is an industry in which you’re far likelier to succeed as a new startup small business than in other industries. Before I start to ramble, I’d like to provide you with some of the links to English school websites which I made (most also have a Chinese language version, indeed, for most of them the primary website is in Chinese):
Here is an online English school for China.
And here is another I did for an English teacher who is setting up an English school in the United States (Los Angeles) but is focussing on Chinese who wish to take short travel/study trips.
I also made a website for a teacher who has substantial experience teaching children. He has put his lessons/stories online so that they can be used in class.