Among institutes staging protests opposing the bill were Khon Kaen University, King Mongkut University of Technology Thon Buri, Walailak University in Nakhon Si Thammarat, Prince of Songkla University and Chiang Mai University.
Thammasat University is set to organise a rally tomorrow morning at its Tha Phrachan Campus.
Some groups rallied in support of the bill in Chiang Mai, Udon Thani, Khon Kaen and Chanthaburi.
Meanwhile, thousands of state and private medical workers, including those from Siriraj Hospital, have protested in front of hospitals nationwide against the blanket amnesty bill, demanding the Senate, which is scheduled to begin its reading of the bill on Monday, withdraw the controversial bill from deliberation.