State law allows for a certain number of exempt fundraisers per year/semester/week.
Rhode Island Gen Laws 16-21-7
(d) Schools may permit the sale of beverages and snacks that do not comply with subsection (c) as part of school fundraising in any of the following circumstances: (1) The sale of those items takes place off and away from the school campus. (2) The sale of those items takes place after the end of the school day as defined in subsection (g). (3) Career and technical schools with culinary arts or food-service programs may request an exemption from the department of elementary and secondary education to enable the limited sale of non-compliant snacks and beverages that have been prepared by culinary students as part of their curriculum. No specially exempted fundraiser foods or beverages may be sold in competition with school meals during the meal service.