Does your student demonstrate some of the following:
Avoids a task or challenge without even trying. This often signals a fear of failure or a sense of helplessness. Quits soon after beginning a game or a task, giving up at the first sign of frustration. Cheats or lies when he believes he's going to lose a game or do poorly. Shows signs of regression, acting babylike or very silly. Becomes controlling, bossy, or inflexible as ways of hiding feelings of inadequacy, frustration, or powerlessness. Makes excuses ("The teacher is dumb") or downplays the importance of events ("I don't really like that game anyway"), uses this kind of rationalizing to place blame on others or external forces. Grades in school have declined, or he has lost interest in usual activities. Withdraws socially, losing or having less contact with friends. Experiences changing moods, exhibiting sadness, crying, angry outbursts, frustration, or quietness. Makes self-critical comments, such as "I never do anything right," "Nobody likes me," "I'm ugly," "It's my fault," or "Everyone is smarter than I am." Difficulty accepting either praise or criticism. Becomes overly concerned or sensitive about other people's opinions of him. Seems to be strongly affected by negative peer influence, adopting attitudes and behaviors like a disdain for school, cutting classes, acting disrespectfully, shoplifting, or experimenting with tobacco, alcohol, or drugs. Either overly helpful or never helpful at home.
Reference: https://www.healthychildren.org/English/ages-stages/gradeschool/Pages/Signs-of-Low-Self-Esteem.aspx