There's nothing wrong with smiling. Especially when taking a classroom photo. Smiling lets you feel and look better in something when you smile.
Tip: Smile.
(Bible Gateway, NIV)
Job 29:24 When I smiled at them, they scarcely believed it; the light of my face was precious to them.
Tip: Smile.
(Bible Gateway, NIV)
Job 29:24 When I smiled at them, they scarcely believed it; the light of my face was precious to them.