Pandemic Child Hunger Prevention Act This bill revises food and nutrition programs of the Department of Agriculture (USDA) during the COVID-19 (i.e., coronavirus disease 2019) pandemic. USDA must reimburse states at the free rate for meals served by school food authorities in such states during the 2020-2021 school year under the National School Lunch Program and the School Breakfast Program. All children enrolled in a school that participates in such programs are temporarily eligible (without application) to receive free school meals during the 2020-2021 school year. Additionally, such children are certified eligible (without application) for free meals under the (1) summer food service program, (2) child and adult care food program, and (3) meal supplements for children in after-school programs. The bill also sets forth provisions related to the 2021-2022 school year, including provisions regarding (1) calculations to determine the percentage of identified students under the school meal programs, (2) the selection of schools under the fresh fruit and vegetable program, and (3) establishing a price for paid lunches during such school year.