It's a little high. In fact, you can teach yourself English. You don't have to sign up for a cram school. At the beginning, you can make up for it appropriately. After getting started, just strengthen the grammar and recite the words. There is no need to make up for it. You can try to find a general cram school first. It is estimated that unless you are right, you don't have to study in the sea. Unless you want to get high marks in English, it's all worth it.