This is the 15882nd most frequent Polish word.
tegoroczni
"Tegoroczni" means "this year's (people)" in English.
Here, 'tegoroczni' is used as an adjective referring to graduates specific to this year.
Tegoroczni absolwenci szkoły osiagnęli wysokie wyniki na egzaminach.
This year's school graduates achieved high scores on the exams.
The word 'tegoroczni' in this sentence modifies participants, indicating they are related to the current year's festival.
Tegoroczni uczestnicy festiwalu będą mieli dostęp do nowych atrakcji.
This year's festival participants will have access to new attractions.
In this context, 'tegoroczni' describes seniors linked to the current academic year's exams.