Solution

156892

First name
Matthew,Logan and Hayden
School
Ashfield Junior School
Country
Age
10

Pile-1
17+18=35

Pile-2
13+9+6+7=35

Pile-3
20+15=35

Pile-4
11+5+19=35

Pile-5
10+3+12+2+8=35

Pile-6
16+4+14+1=35