Generally, children with high IQ also have high EQ, and after they skip a grade, there is a tendency for their new classmates to have an EQ level that better matches theirs.
Generally, children with high IQ also have high emotional intelligence.
If these children skip a grade, it is often the case that their new classmates have an emotional intelligence level that matches theirs.
教育の話ということだから、「EQ」は「emotional intelligence（感情知能）」を指していると思います。
教育に関わりがある方はお恐らく「EQ」とは何かがわかると思いますが、そうじゃない人が相手だったら「emotional intelligence」の方が良いと思います。
Generally, children with high IQ also have high EQ, and after they skip a grade, there is a tendency for their new classmates to have an EQ level that better matches theirs.
基本的に、IQの高い子供は、EQも高く、飛び級をしたら、新しいクラスメートの方が、EQレベルが合うという傾向があります。
これはかなり長い一文になりますので、二つの文に分けた方が伝わりやすい時があります。
Generally, children with high IQ also have high emotional intelligence. If these children skip a grade, it is often the case that their new classmates have an emotional intelligence level that matches theirs.
基本的に、IQの高い子供は、EQも高いです。この子供が飛び級したら、新しいクラスメートの方が、EQレベルが合うという傾向があります。
"Gifted children often have high EQ as well, and they tend to get along better with classmates in the higher grade they skip into."
"Gifted children often have high EQ as well, and they tend to get along better with classmates in the higher grade they skip into."
または
"High-IQ children often have high emotional intelligence too, and they usually match better in EQ with their older classmates after skipping a grade."
この表現では、「IQの高い子ども（high-IQ children / gifted children）」が「EQ（emotional intelligence：感情的知性）も高い」傾向があり、**飛び級先のクラスメート（older classmates / classmates in the higher grade）**の方が、EQの面でも合うという意味を表しています。
アメリカ合衆国 
