I'm afraid there are only two kinds of people in this world who can completely ignore their clothes. One kind is extremely poor people, some of whom are already well dressed and dare not expect to look good. The other is extremely rich or famous people, such as Bill Gates and Einstein, because they wear the same things, and no one dares to look down on them.
The above examples are all men, but it is normal for girls to like beautiful clothes. I feel sad and even feel inferior because I can't buy too many beautiful clothes for economic reasons. Maybe many girls with poor family economic conditions have experienced it.
I can see from your words that you are a kind girl who is considerate of her parents and sensible:)
I think it is actually a good thing to have such a little inferiority complex in life. When you have a better life and can buy beautiful clothes at will, you will cherish this experience more.
People have no regrets in this life. People live not by money, but by mentality. I sincerely admire you for seeing you live happily.
My suggestion is that if you can't afford so many good clothes for the time being, don't buy them yet. Explore your other strengths to build your image and spread your network. For example, your personality is your greatest advantage. Not everyone can ask such a question calmly like you, that is the real inferiority complex.
Go to school well, run a family with my husband in the future, and everything will be fine slowly.