Adolescent, Down's Syndrome

interior 12 to 18 years old education pupil class schoolboy schoolgirl school france handicapped intellectual disability handicapped person human person adolescent adolescent girl european female girl male boy genetic disease trisomy down's syndrome indoor indoors inside interiors 14 years old 12 to 18 years old 12 18 years 13 year old 14 year old 15 year old 16 year old 17 year old 18 year old 19 year old teaching teach lesson pupils lecture classes course classroom classrooms junior high school boy junior high school boys schoolboys junior high school girl junior high school girls schoolgirls disability disable handicap intellectual deficiency mental deficiency intellectual deficiencies mental deficiencies mental handicap mental handicaps mental disability mental disabilities intellectual disabilities developmental delay mental retardation developmental delays disabled disabled people disabled person handicapped people humans people persons teen teenage teenaged teener teeners youthful youth adolescence adolescents teens teenager teenagers teenage girl teenage girls adolescent girls young girl young girls caucasian caucasians european origin european descent europeans feminine females girls males masculine male child boys hereditary diseases hereditary illness hereditary disease genetic diseases hereditary illnesses trisomies trisomic down syndrome down's down’s mongolism downs trisomy 21 mongolism trisomy of chromosome 21