This is the 6138th most frequent Russian word.
студентка
Female student.
The word 'студентка' here is used to describe a female university student as part of her identification.
Она студентка первого курса университета.
She is a first-year university student.
In this sentence, 'студентка' refers to a specific female student being discussed, emphasizing her academic performance.
Эта студентка получила отличные оценки на всех экзаменах.
This female student received excellent grades on all exams.
Here, 'студенткой' is in instrumental case, indicating the state of being a female student during a past time.