If anyone would like any resources, I'm more than happy to share my sessions via email.
From mini soccer to academy.
Best advice I would give a mini soccer coach for technical progression, invest in size one footballs. I use with 7 year olds to 18 year olds.
Have your son sit the Level One Coaching award, it is free for 16-18 year olds.
Refereeing, is a course, then he just partake in a number of hours/games after the course.