Portrait of a teacher girl with glasses and a pink shirt who smiles with her arms crossed on her chest against the background of a biology lesson for preschool children together with a male teacher in a purple shirt

portrait teacher girl glasses pink shirt smiles arms crossed chest background biology lesson preschool children male purple teaching education early childhood students instructor teamwork cooperative co-teaching smiling educators primary learning science environment co-teachers preschoolers class collaborative tutor school instructing instructors child development