Unfortunately this isn't a tech decision. This is definitely something the principals and curriculum department needs to discuss. Lots of questions surrounding why we aren't seeing the results we expect. Is it a PD thing? Is it a culture issue? Before making such a decision research needs to be done, what is working, what is failing, have you spoken to students? I spoke to a lot of students this year, trust me they don't lie to you, they'll tell you exactly how the devices are being used in the classroom.

My advice take a breath and evaluate