The thesis statement is the first line in the first paragraph. The reason is in the beginning of the first paragraph, to have the career they want.
Here are some ideas to get started
Why Cellphones should be allowed:
1) For security in case of emergency
2) Easy access of searching information during class when you need to
3) Contacting parents if you need anything, such as dropping off the lunchbox you left at home
Why cellphones should not
1) Distracts you from teacher if you have it next to you- you watch to check it every time notifications go off
2) You want to be on phone instead of socializing
3) You can get in trouble by doing it when you are not supposed to
I think these people are boys with here’s the link
This is a help site, not a ‘do my work for me’ site