This is the 2196th most frequent Russian word.
выпускники
Graduates.
Here, 'выпускники' is used to refer to graduates who are part of a group, specifically those attending a reunion.
Вчера на встрече выпускников собрались все старые друзья.
Yesterday, at the alumni meeting, all the old friends gathered.
In this sentence, 'выпускники' refers to individuals who have graduated from a school and are participating in an activity together.
Выпускники школы отправились на экскурсию в другой город.
The school graduates went on an excursion to another city.
Here, 'выпускники' denotes individuals who have graduated from a university, emphasizing the common identity of the group.