This is the 13003rd most frequent Polish word.
odebrany
"Taken," "received," or "retrieved," depending on context.
Here, 'odebrany' describes the phone being retrieved or taken back by the student to explain its subsequent action.
Telefon odebrany przez ucznia z powrotem trafił do rodzica.
The phone received back by the student was returned to the parent.
In this usage, 'odebrany' indicates the action of retrieving or collecting an object (the package) from a specific location (the post office).
Pakiet został odebrany na poczcie wczoraj.
The package was collected at the post office yesterday.
In this sentence, 'odebrany' is used in the passive form to indicate that an object (the letter) has been received by someone (the recipient).