**2. Materials and Methods**

### *2.1. Study Area and Target Population*

A cross-sectional study was conducted in May through to July 2019, to assess the portion size and composition of meals o ffered to Kenyan boarding high school students aged 15 to 18 years, on a daily and weekly basis. The target population was catering managers or head cooks who were in charge of kitchens in high schools. The study was conducted in eight counties, namely Nakuru, UasinGishu, Nandi, Kakamega, Nairobi, Kisumu, Laikipia, and ElgeyoMarakwet, where 50 selected boarding high schools categorized by the Kenyan Ministry of Education as national, extra county, county, and private, were included.
