This study analyzes strengthening participatory supervision through the Online Participatory Supervisory Cadre School during simultaneous regional elections in West Kalimantan in the era of the Covid-19 pandemic. The General Elections Supervisory Body (Bawaslu) is the body responsible for organizing and supervising elections. Bawaslu has a mission to create community-based participatory control. With this mission, Bawaslu initiated the Participatory Supervisory Cadre School, a joint movement between Bawaslu and the community to create an election process with integrity. The Online Participatory Supervisory Cadre School aims to increase knowledge and practical skills regarding supervision for election supervisors and observers as well as share knowledge and skills regarding youth participation, especially online during a pandemic. The establishment of this school received a positive response from the community, the high enthusiasm of young people in registering was a good first step for Bawaslu to create community-based participatory control as a supervisor for elections and regional elections in the future.