This is the 6282nd most frequent Turkish word.
öğrencilerden
"Of/from the students"
In this sentence, 'öğrencilerden' is used to indicate a specific student among a group of students.
Öğrencilerden biri bu soruyu doğru cevapladı.
One of the students answered this question correctly.
Here, 'öğrencilerden' points to a subset of students characterized by their actions, i.e., reading many books.
Bu yıl öğrencilerden çok kitap okuyanlar vardı.
This year, there were students who read many books.
In this usage, 'öğrencilerden' specifies the source of help being sought, linking it to the student group.