Will the " If your child does not have permission to work " section address the question of what to do while waiting for a Work permit I-766 from DHS?
Yes all of that is covered in the " If your child does not have permission to work " section.
Doesn't he need a Social Security number for school?
Lawfully admitted noncitizens do not need a Social Security number to register for school, apply for educational tests, and apply for school lunch programs.