LULU GARCIA-NAVARRO, HOST: The school year is almost over but not quite. And with new guidelines from the CDC earlier this month, some districts are changing their mask policies. In Utah, Governor Spencer Cox lifted all mask mandates within schools for the last week of the year. That's coming up very soon. Stephanie Gonzalez teaches fifth grade in West Valley City, Utah, and she joins us now. Hello. STEPHANIE GONZALEZ: Hi. GONZALEZ: I teach fifth grade, the best grade. GARCIA-NAVARRO: The best grade. Tell me why. Why is it a good grade? GONZALEZ: Oh, it's just so fun. They just - they start to get sarcasm. They're figuring out who they are. I just love their little personalities.