Our schedule had a form you filled out that gave blanket permissions. Like “can leave with teacher”. These could be updated at any time.
And if your kid wanted to do something that hadn’t been pre-approved, you’d be contacted for permission (or not).
You may also want to familiarize yourself with the license rules in the state where your D is. In some, a driver under 18 can only drive family members under 18, cannot drive past midnight, etc. (We live in one of these states, and as a parent, I LOVED these restrictions.) With luck, you may be trying to address a problem that has a solution that way.