This is the 4192nd most frequent Catalan word.
escollits
"Chosen" or "selected."
The word 'escollits' is used here as a past participle to indicate students who were selected or chosen.
Els estudiants escollits van rebre un premi especial.
The chosen students received a special prize.
The word 'escollits' functions as a noun to refer to items or persons that were specifically selected.
Entre els diversos plats, els escollits pel xef van ser els més destacats.
Among the various dishes, those chosen by the chef were the most outstanding.
Here 'escollits' serves as an adjective modifying 'members' to describe which specific members of the committee were selected.