LINCOLN, NE — What began as an innocent remark has spiraled into a full-blown classroom revolution, as local high school junior Andrew Keller’s dazzling smile has reportedly inspired an entire AP Biology class to engage in an unrelenting display of pearly whites.

“I just said he had a really nice smile,” recalled Marie Dubois, an exchange student from France, who alongside her Brazilian counterpart, Lucas Almeida, unknowingly triggered a seismic shift in classroom energy. “I didn’t realize this would unleash a school-wide glow-up.”

According to witnesses, Keller, who had previously flown under the radar as an unremarkable student with a passable knowledge of mitochondria, lit up at the unexpected compliment. “It was surreal,” he said. “I’ve never been recognized for my dental achievements before, but I guess all those years of aggressive flossing have finally paid off.”

The effect was immediate and contagious. Within minutes, classmates who had never once smiled in public were testing out new grins in their phone cameras. “I don’t even know how to smile properly,” admitted student Jake Morrison, caught practicing his expression in the reflection of a beaker. “I’ve always gone for that disinterested smirk, but now? Now I want to radiate.”

The school administration has since reported an unprecedented 400% increase in dental hygiene awareness, with students aggressively scrubbing their teeth between classes and experimenting with unfamiliar levels of eye contact. Teachers, caught off guard by the sea of beaming students, have responded with a mixture of confusion and concern.

“I appreciate the enthusiasm, but I’m also slightly terrified,” said AP Biology teacher Ms. Ramirez, who described the current class atmosphere as “eerily euphoric.” “No one should be this happy about osmosis.”

At press time, Keller remained modest about his impact, though sources say he has been spotted discreetly flashing his award-winning smile at unsuspecting students in the hallway.