I am currently working as an online English teacher. I started way back 2014 and prior to this, I also worked for BPO companies as a client account specialist and as a technical support representative catering US and Australian clients.
Onlinejobs.ph "ID Proof" indicates if "they are who they say they are".
It DOES NOT indicate skill level.
ID Proof scores are 0 - 99 with 99 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake identity.