Solution

35946

First name
Adam Mountain
School
Spalding Grammar School
Country
Age
11

I have a possibility that I have worked out the answer. Below here is my answer:
1 = 1
2 = 2
3 = 3
4 = 5
5 = 8
6 = 13
7 = 21
8 = 34
9 = 55
10 = 89
11 = 144
12 = 233