Students in the Ouray School kindergarten class show off their stuffed animals, stick out their tongues and make silly faces before class gets started. Their teacher, Jennifer Feeser, reins in her giggling students by starting with the Hello Song.

“Good afternoon, dear Earth, dear sun, dear children,” she sings, and then invites them to share stories with her and the rest of the class.

“Remember, I am going to unmute you. Raise your hand if you want to talk,” Feeser says as she gazes at a ...