Expert answer
It is common for struggling children to have feelings of low self-esteem. These feelings often accompany learning disabilities, but can also affect people who are not learning disabled. It may be a good idea to see a psychologist who could address these feelings that make learning, and even living, difficult.
LD OnLine has an entire section devoted to self-esteem issues with LD students. The following link provides information about ways to build self-esteem.