This will backfire. In more ways than one. The teenagers will probably just find some way to use this as ammo in their evil games of clique divisions and taunting. The parents will just say this is further proof of the erosion of morality. What should the school do with the information? Can we trust them with confidentiality? Should we be able to administer antibiotics and drugs to these kids on the taxpayer dime?
Hey here's an idea! Why not actually teach these brats about sexual responsibility?