Olivia Rodrigo has done a lot in her first 18-years on this earth: she’s starred in a smash Disney+ revival of High School Musical; she’s become the next big name in music thanks to “Drivers License,” “Good 4 U,” and more songs off her debut album, Sour; and now, she’d accomplished another great milestone: graduating. “bye high school!!!!!!!” Olivia captioned the gallery she posted on Saturday (June 19).