maladjusted
adjective uk/ˌmæl.əˈdʒʌs.tɪd/ us/ˌmæl.əˈdʒʌs.tɪd/
（通常指儿童）不适应社会环境的，适应不良的
A maladjusted person, usually a child, has been raised in a way that does not prepare them well for the demands of life, which often leads to problems with behaviour in the future.
a residential school for disturbed and maladjusted children 为有心理障碍和适应不良的儿童开设的寄宿学校