Solution

153670

First name
Thomas, Stefan and Ella
School
St Helen's C of E, Abbotsham
Country
Age
10

The person who starts always wins as an odd number plus an odd number = an even number. This means that you always get an odd number of numbers making 37.
The largest number of numbers you can have is 37 (37x1).The smallest number of numbers you can use to make 37 is 7 (7+7+7+7+7+1+1). Using the numbers given you can make any number in-between 1 and 37.