This is the 9512th most frequent Japanese word.
素質
Innate talent or aptitude.
In this sentence, '素質' refers to innate abilities or talent that makes an individual suitable for a certain skill or profession.
彼は歌手としての素質があると思います。
I think he has the talent to be a singer.
In this context, '素質' is used to describe the exceptional qualities or potential of the students.
素質の高い学生がこのクラスで学んでいます。
Highly talented students are studying in this class.
Here, '素質' implies the inherent potential or natural talent that requires effort and development to reach its full scope.