The most widespread explanation for cases of school refusal is the 'Separation Anxiety Disorder'.
Explanation:
Children tend to get attached to their parents in their early age and find it fearful to imagine their life without their parents being around.
This later becomes the reason for the children to refuse to go to school as their little braincomprehends it as a session of separation from their parents.
This anxiety is severe in some children and is termed as 'separation anxiety disorder'.