Answer:
By obtaining an education
Step-by-step explanation:
There is almost no opportunity in rural mexico to escape economic challenges. The economy around that area is heavily reliant to small scale farming /herding. Many criminal organizations even use it as a base to hide from authority.
Because of this, their only hope is obtaining an education.
If they somehow managed to get a scholarship to big cities or to richer countries (such as US or Canada) , they will exposed to opportunities to obtain high paying jobs there.