Is all my hardwork useless?

No it is not useless at all. My dad is a dean at a small college. He told me that 95% of colleges would rather see an average score on an ACT but take advance cles then see good scores on the ACT but taking normal cles. Once college comes around those advanced cles will have taught you how hard you need to work in order to succeed in college. Keep your chin up, you'll be fine.