She may be suffering from dyslexia, a condition where the child cannot read the word by putting together the letters constituting it. Such children find reading by themselves difficult though they can repeat what is said. While writing they tend to make a lot of spelling mistakes.
Next Steps
Paediatricians/Psychologist opinion.
Health Tips
Teaching such children needs special care but since their intelligence is normal, once past the early school, they may do well at higher levels.