In the 2025 academic year, Phetchaburi Rajabhat University had a total population of 6,085 people, comprising 769 staff members and 5,316 students across undergraduate, vocational certificate, master’s, and doctoral levels. The University’s food service facilities generated food waste at different average rates. The University Cafeteria generated an average of 26.45 kilograms of food waste per day, while the Phetchaburi International Culinary School generated an average of 1.07 kilograms per day. Centennial Kitchen, located in the Hotel and Tourism Practice Building (The PBRU Heritage), generated an average of 1.18 kilograms per day. The combined average amount of food waste generated across the three locations was therefore 28.70 kilograms per day. During the 2025 academic year, from July 2025 to June 2026, the total amount of food waste generated across the three food service facilities was 7,490 kilograms. Food services were provided from Monday to Friday, 8:00 a.m. to 2:00 p.m.