Hello, please refer below for your New Lexington school district code.
PERRY COUNTY SCHOOL DISTRICT CODES
Crooksville EVSD ...............................................6401
Fairfield Union LSD ............................................2304
Franklin LSD ......................................................6002
Logan-Hocking LSD ...........................................3701
New Lexington CSD ...........................................6402
Northern LSD ......................................................6403
Southern LSD .....................................................6404
I referenced the information at this PDF: http://min.midco.net/~StateInstructions/www/instructions/OH%20Codes.pdf
