I expect she'd probably drive home and get it. She doesn't have a car at 13 yrs old though. Nor would I want her walking home from her school at the moment to get it to the tune of 40+ minutes; so calling me is a reasonable option.
Could she get by at school without her computer? Yes. Is her school day more productive with it? Also yes.
Depending on where people are relative to each other, absolutely yes.
I’ve done similar for friends and family.
For most kids, the embarrassment of a parent appearing during the school day is enough to really negatively enforce forgetting things, at least after middle school starts.
Curious what this will lead to.
When she'll get a job, if she'll forget her laptop at home, will she call you and ask you to bring it to the workplace?