child girl pointing school blackboard with mathematics formulas, amazed kid as teacher

amazed amazement amazing astonished back beautiful black blackboard blond board camera caucasian chalk chalkboard child childhood children class classroom college concept drawing educate education educational elementary emotion expression expressive eyeglasses face female formulas funny girl glasses happy inteligence intelligent kid kids knowledge learn learning look math mathematics one out peek peeking peep people person pigtail pointer pointing portrait primary pupil school schoolgirl seven small smart stick student study studying surprise surprised teach teacher uniform wonder wondering years young