Not sure if you got anything to work yet but I found some alternate ways here https://android.stackexchange.com/questions/127739/how-to-bypass-factory-reset-protection-frp-or-verify-your-account-screen
Had to scroll a bit and this is still a lil out dated:
Our local libraries do this too! They are free but waaay less rowdy than others I’ve tried (i loke a lol rowdy). And, usually One and Done campaigns. Do double check if you do see your library has them, ours do adult and teen in different groups.