Other footage showed students raising the Palestinian flag at the ceremony in solidarity with Palestine.
Pitzer College, one among the Claremont Colleges in Los Angeles, refused to veto a resolution approving an academic boycott of Israel, which was endorsed by its highest democratic governing body in the college.
On 11 April, the Pitzer College Council voted to approve a resolution that aimed to permanently terminate the college's study abroad programme with the University of Haifa and prohibit the college from establishing new programmes with other Israeli universities.
The resolution passed by 48 votes to 19, with no abstentions. However, during the discussion period preceding the vote, Pitzer president Thacker announced his intention to veto the legislation.
Representatives from Pitzer College's pro-Palestinian encampment, Pitzer president Thacker, and Pitzer board of trustees chair Don Gould discussed the issue on 3 May.