The phrase "school star" typically refers to a student who excels academically, is involved in extracurricular activities and/or is well-liked by their peers. Full definition
That was what he did, the high school star quarterback, on the eve of every big game: bake cookies and hand them out to his sisters. (si.com)
The game should not be judged by that alone though as it is one of the finer old school Star Wars games. (thatvideogameblog.com)
It's the story of a larger - than - life character, a tall, blond Jewish high school star athlete from Newark known as the Swede because of his Aryan looks. (jpost.com)