The problems aren't cause by cellphones, laptops, schools, the lack of the pledge or prayer in school. The problem is the lack of parenting or the complete lack of parents.
The parents are the ones who should provide, discipline, values in country, religion and education. Many of them do little or nothing and then wail about how the schools failed. How does the same school end up graduating 10 future prison residents and 4 Doctors? They were sent 10 feral kids and 4 with values and discipline.
My kids went to public schools all graduated and became productive members of society. My step daughters both graduated from public schools in the last 2 years, both were A students, one became a national merit scholar and an Eagle scout. One is in college beginning her study in medicine, the other is in her second year of Vo-tech, taking welding courses, while working 30 hours a week in a steel fab shop.
They both had cell phones and lap tops. Their friends all had cell phones and computers and graduated. I have meet them at cook outs in my back yard, at pot lucks at other parents houses, at scout meetings at camp outs my wife and I chaperoned, their Jazz band performances.
I heard all about global warming, trans genders, and other things. Little of it came from the school itself, most of it came from the internet and talk among their friends. Each got a serious discussions involving my wife and I and real life examples. If global warming worries you why do you want a ride to school when you could walk, why do you want a car. If you think we should treat illegals better, why don't we move some in and you can share your bedrooms, family room and money with them.
If you do not value education or have any values, or pass them on to your kids, they aren't going to get them at school, through a cell phone. TV or laptop. If you do have them and pass them along and reinforce them it is unlikely they will be ruined by cell phones and computers. If you haven't want to or the time to do these things with your kids, you never really had time to have kids in the first place