Question 1053586
I'm assuming you only want teams that use exactly 165 children so no one is left out. So look at factors of 165.
{{{165=1*3*5*11}}}
So 
1 team of 165
3 teams of 55
5 teams of 33
11 teams of 15
15 teams of 11
33 teams of 5
55 teams of 3
165 teams of 1
.
.
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8 ways in total.