I couldn't find anything by site, but TSMC reported these stats in their 2019 Annual Report as a whole out of 51k employees: 5k managers, 24k professionals, 4k assistants and 17k technicians.
They reported highest level of education for their workforce of: 4.5% PHD, 44.9% Masters, 25.5% Bachelors.
They reported highest level of education for their workforce of: 4.5% PHD, 44.9% Masters, 25.5% Bachelors.