work at it when ever you can

Beyond the basics of feet, balance, and follow through, Jump shooting is more consistency than anything. Try to repeat the same motion over and over so that it becomes muscle memory.

Chad King is right. More specific detail though is make sure you shoot with wide fingers and quick release, snap your wrist. Shooting is just repetition and perseverance, just keep at it.

Look up the fundementals on shooting a basketball.

Practice

Practice builds muscle memory also try to shoot the same shot every time
work on ur shooting mechanics

PRACTICE