Research & Practice
Listening to Schools: Insights to Inform the Development of a Toolkit for Implementing the 20-Minute Lunch Duration Rule in Washington State Elementary Schools
School meals are a consistent part of students’ days, supporting more than just nutrition. Lunchtime gives children the chance to eat, socialize, and practice executive functioning skills that support them throughout the rest of the school day. Elementary school students often have inadequate time to eat due to travel time to the cafeteria, time spent waiting in line, and cafeteria crowding. When students have less time to eat, they consume fewer nutrients and waste more food. Longer lunch periods are associated with a higher intake of vitamin A, iron, and calcium-rich foods, which are important nutrients for growth and development. Moreover, school lunch provides important opportunities for kids to interact socially and contributes to the development of social skills and positive feelings about school. These findings highlight that implementing a longer lunch period supports increased consumption of nutritious foods and provides students with more opportunities to practice social and self-regulation skills that contribute to their overall development.
In Washington State, a new 20-minute lunch duration rule for grades K-5 (WAC 392-157-125) will take effect in the 2029–2030 school year, ensuring that all elementary school students have enough time to eat. While most parents and administrators agreed that longer lunches are beneficial during the public comment period, Washington school districts vary widely in their operations and constraints, and implementing this rule will require support and adjustment. To prepare for the transition, the Washington Office of Superintendent of Public Instruction (OSPI) collected statewide survey data during the 2025 School Meals Annual Training. The survey showed just how much lunch period lengths vary across districts, with some having average lunch periods over 25 minutes and others having lunch periods of less than 14 minutes. Respondents included food service directors, managers, supervisors, chefs, and registered dietitians. They pointed out the benefits of longer lunches but also raised concerns about potential implementation barriers, including scheduling complications, staffing issues, budgetary constraints, facility limitations, and competing instructional demands.
Building upon the survey findings, the Capstone Team conducted in-depth interviews with representatives of School Food Authorities (SFAs) across Washington to obtain insights on potential barriers and facilitators for the implementation of the 20-minute lunch rule. School districts were chosen to reflect diversity in urbanity, school size, and the current average length of lunch periods. Speaking with respondents working in these varied environments allowed for a better understanding of where challenges show up, what is already working well, and what kinds of support districts need. The insights gained from the interviews informed the Capstone Team’s recommendations to OSPI and will help in the development of a practical toolkit to support schools for the upcoming statewide implementation.
Materials Available
Project Type(s): Master's Capstone
Author(s): Katie Allen, Skyler Austin, Elisa Cirigliano, Emma Huynh, Anna Schwerdfeger, Neelma Skilling, Michaela Skloven, Vanessa Tran
Program(s): Master of Public Health, Master of Science
Year: 2025
Adviser(s):