My light switch trips the breaker when its placed into the box
Sounds like you have skinned a hot wire that is touching the metal box or one of the ground wires. With the power off pull the switches and look for a burned spot. If the wire is still ok not damaged from shorting it can be taped with a quality electrical tape. If the wire is damaged you will want to cut it and pigtail a new piece. This happens even to professionals.