Vertical video of children running up to their teacher, a man with gray hair in a purple T-shirt, and hugging him in a club room to prepare children for school

vertical video children running teacher man gray hair purple t-shirt hugging club room preparing school early education childhood preschool young kids instructor teacher-student affection happy joy bonding caring education preschoolers childhood education emotional embrace learning school readiness kindergarten mentor child development happy kids positive interaction teachers love classroom teacher-student relationship student embrace