Days after ousting Aleksandar Vučić's party from power, Student List MPs call for top figures to stand down.
The alleged scheme used stolen identities to claim US student aid, with Kenyans among those charged.
In her first interview since the incident, Joanna Wietrzyk told the BBC she takes responsibility for it but did not deserve such a severe backlash.
Fuel price rises are driving discontent, testing support for Ahmed al-Sharaa's government.
The change was announced amid backlash over the school's handling of gang rape allegations involving a fraternity on campus.
The collision involving a Robinson R22 and an Airbus helicopter occurred on Thursday afternoon, with both aircraft crashing in a field adjacent to a highway.
Hispanic voters have helped drive the early voting numbers, which appear to outpace overall turnout for previous elections in some battleground counties.
Erin Patterson argued her trial was unfair due to seven grounds but three appeal judges dismissed them all.
Machado, who was in exile for nearly a year, said the transition in Venezuela's government would be "irreversible, organised, pacific".