If you're feeling discontented, it means you're not happy with your current situation. If you're bored with the same old routine, someone might say that you're discontented.
Feeling discontented usually means that there's a gap between the way things are and the way you want them to be. So what can you do about that? Discontented American colonists rebelled against heavy-handed British rule and fought a war to forge a new nation. Discontented workers have formed labor unions to fight collectively for better conditions. If you're discontented with your grades or social group, you can make a change. Work with a tutor, or make new friends — maybe with your tutor!