The phrase is often used when certain standards are set for quality in professional or commercial situations. Her handcrafted jewelry really made the grade and impressed the clients.
Pro Tip 2/3
Not Graded
'Make the grade' does not relate to literal grades in school but to meeting a general standard. Despite his best efforts, his dessert did not make the grade at the cooking competition.
Pro Tip 3/3
Workplace Relevance
Use it to talk about meeting expectations at work, like performance goals, not just about passing exams. He's hoping that his project will make the grade in the annual review.