Question

he became class president by promising the electorate he would extend recess time based on the context who is part of this electorate

The students in one class
All students and teachers
Influential students in a group
And entire school

Answer 1

Based on the context provided, the electorate consists of "the students in one class." Since the individual became class president, it implies that their promises and campaign were directed towards the specific class they represent, rather than a larger group like the entire school or all students and teachers.