As per your chart, it is indicated that his physical development and his growing years can be a bit challenging. His mental development would be much better than his physical development.
After the age of 11-12 years his development would be smoother and quicker and he may tend to becoming normal which will be a gradual and drawn out phase. Though you may not be fully satisfied with his educational performance, it is enough if he just passes and keeps getting qualified.
Love and care can do wonders in life and with due care he would gradually become normal. We can analyse his birth chart also to find other details. Best Wishes.
Ketu in 5th house of Leo with the fifth lord Sun in the sixth house. Ketu is in Pushkar Navamsha although in fifth house, which limits any ill effects on the children.
Also Ketu Mahadasha is ongoing currently up to May 2028. Ashtakavarga score of fifth house in Rashi chart, Navamsha and Saptamsha is around 28.