Complex sentence: As a child he had great difficulty with dyslexia in elementary school, but his love of and talent for drawing was useful in elevating his self-esteem and gaining the attention of his teachers and fellow classmates.
Split into simpler sentences: As a child, he had great difficulty with dyslexia in elementary school. However, his love of and talent for drawing was useful in elevating his self-esteem and gaining the attention of his teachers and fellow classmates.