Cafeteria Substitute assignments may include. serving lines. preparation of cold and hot foods. dish room. cafeteria cleaning. cashier, operating a register. Minimum Requirements. High school diploma or equivalent. Must be able to pass BCI/FBI background checks and drug screen. Complies with drug-free workplace rules and board policies. Cafeteria Substitute is called in on an as needed basis. Cafeteria Substitute Rate: $15.00 per hour