Solution

25700

First name
luke mallett
School
copthorne c e school
Country
Age
9

i think the code is 207,

The letter T is the 20th letter in the Alphabet, and then i added the 1 and 6 together giving me 7 which gave me the three digit code of 207.

Another code could be 208, i worked this out using the letter T as 20 again, then the number 16 divided by 2 = 8