Solution

162753

First name
Saif
School
Pierrepont Gamston Primary School
Country
Age
0

True:
19+15=34
34=19+15
19+15=0+34
19+15=15+19
19+15=21+13
34=34
19+15=34+0
15+19=20+14
False:
16+17=34
19+15=20+16
19+15=22+18
19+15=34+15