Ключевые слова: activity, backpacks, bonding, campus, chatting, classmates, conversation, education, energetic, excitement, friends, friendship, fun, gathering, group, happy, highschool, interaction, joy, learning, leisure, lifestyle, outdoor, playtime, recess, recreation, relaxation, school, smiling, socializing, students, summertime, sunshine, teenagers, teens, togetherness, uniforms, vibrant, yard, youth,