If you want a 7 star coaching your coach must have at least:
Strength: 18 Fitness
Aerobic: 18 Fitness
Goalkeeping: 18 Goalkeeping
Tactics: 18 Tactical
Defending: 18 Defending and 18 Tactical
19 Defending and 14 Tactical
20 Defending and 10 Tactical
Ball Control: 18 Technique and 18 Mental
19 Technique and 14 Mental
20 Technique and 10 Mental
Attacking: 18 Attacking and 18 Tactical
19 Attacking and 14 Tactical
20 Attacking and 10 Tactical
Shooting: 18 Technique and 18 Attacking
19 Technique and 14 Attacking
20 Technique and 10 Attacking
Set Pieces: 17 Technique and 39 (mental+attacking)
18 Technique and 36 (mental+attacking)
19 Technique and 33 (mental+attacking)
20 Technique and 30 (mental+attacking)