According to Gram Research analysis, the EnComCol study is measuring how much food, drinks, and specific nutrients Spanish children consume at home versus in school cafeterias to understand whether school lunch policies affect childhood nutrition. The study of 1,000 children aged 6-17 across six Spanish regions will reveal whether kids using school cafeterias have different intakes of sugar, salt, and saturated fat compared to those eating at home, with results expected to inform school menu improvements under Spain’s new 2025 nutrition standards.
A major study called EnComCol is examining what Spanish children and teenagers eat at home versus in school cafeterias. Researchers are looking at 1,000 kids across six regions to understand how much food, drinks, and nutrients they consume in different settings. The study also compares public, charter, and private schools to see if there are differences. This research matters because childhood obesity is a growing problem, and new Spanish school menu rules just started in 2025. By understanding where kids get their calories and nutrients, scientists can help families and schools make healthier choices.
Key Statistics
The EnComCol cross-sectional study of 1,000 Spanish children examines dietary intake across six daily eating occasions to compare home meals with school cafeteria meals, with results designed to assess compliance with Royal Decree 315/2025 school menu standards.
According to research reviewed by Gram, the EnComCol study balances its 1,000 participants equally by age (50% ages 6-11 and 50% ages 12-17) and sex, with 75% from public schools, 20% from charter schools, and 5% from private schools across six mainland Spanish regions.
The EnComCol study uses detailed 24-hour dietary recalls and food diaries validated by trained researchers to measure critical nutrients including saturated fat, added sugars, and salt across different eating contexts in Spanish children’s diets.
A 2026 cross-sectional study of 1,000 Spanish children will directly compare nutrient intake at home versus school cafeterias, examining whether school type (public, charter, or private) and geographic region affect children’s consumption of key nutrients linked to childhood obesity.
The Quick Take
- What they studied: How much and what types of food and drinks Spanish children eat at home compared to what they eat in school cafeterias, and whether this differs by school type and region.
- Who participated: 1,000 children and teenagers aged 6-17 from six regions in Spain, split equally between younger kids (6-11) and older kids (12-17), with equal numbers of boys and girls. About 75% attend public schools, 20% charter schools, and 5% private schools.
- Key finding: This study is designed to measure and compare the foods, drinks, and nutrients kids consume across different eating situations—at home, at school cafeterias, and other places—to identify patterns that might affect their health.
- What it means for you: Understanding these differences could help schools and families work together to improve children’s nutrition and reduce childhood obesity. The findings may guide better school lunch policies and help parents understand their child’s total daily nutrition.
The Research Details
EnComCol is a cross-sectional study, which means researchers collected information from 1,000 children at one point in time rather than following them over months or years. The study used a structured method where trained researchers asked children and parents detailed questions about everything eaten and drunk over a 24-hour period. Participants also completed a food diary and answered questions about their lifestyle, family background, and body measurements. The researchers used updated food composition tables—basically databases that list the nutrients in different foods—to calculate exactly how much of each nutrient (like sugar, salt, and fat) each child consumed.
This careful, detailed approach allows researchers to capture a complete picture of what kids actually eat in different settings. By asking about specific meals and snacks across the entire day, the study can identify which meals contribute most to a child’s total nutrition. Comparing home eating to school cafeteria eating helps determine whether school lunch policies are working effectively.
The study’s strength lies in its large, representative sample of 1,000 children balanced by age, sex, and school type across six regions. The use of trained researchers and telephone validation adds reliability. However, because this is a snapshot in time rather than long-term tracking, it shows what kids eat on particular days but not whether patterns stay the same throughout the year.
What the Results Show
The EnComCol study is designed to directly compare the foods, beverages, and nutrients children consume at home with what they eat in school cafeterias. Researchers will examine whether kids using school cafeterias have different intakes of key nutrients like saturated fat, added sugars, and salt compared to children who eat at home. The study will also reveal whether these patterns differ between public, charter, and private schools, and whether children in different regions of Spain have different eating habits. By analyzing six different eating occasions throughout the day (breakfast, mid-morning snack, lunch, afternoon snack, dinner, and evening snack), the research will show which meals and settings contribute most to children’s overall nutrition.
The study will examine how age and sex affect eating patterns—for example, whether teenagers eat differently than younger children, or whether boys and girls have different food preferences. It will also look at how family background and lifestyle factors relate to what children eat. The research will provide detailed information about portion sizes in school cafeterias compared to home meals, which is important because Spain’s new Royal Decree 315/2025 sets specific portion standards for school menus.
This study builds on earlier research about childhood nutrition in Spain by using updated methods and more detailed food composition data. It directly addresses the new 2025 school menu regulations, allowing researchers to assess whether the new standards are being followed and whether they’re affecting what children actually eat. The study’s focus on comparing home and school settings fills a gap in existing research.
Because this is a cross-sectional study, it captures eating patterns on specific days but cannot prove that these patterns cause obesity or health problems—it only shows associations. The study relies on people’s memories of what they ate, which can be inaccurate. Additionally, the sample includes only urban children in six Spanish regions, so results may not apply to rural areas or other countries. The study also cannot account for all factors that influence children’s food choices, such as peer pressure or food advertising.
The Bottom Line
While this study is designed to gather information rather than test an intervention, its findings will likely support: (1) schools implementing the new 2025 menu standards consistently, (2) parents monitoring their children’s total daily nutrition across all eating occasions, and (3) public health officials using the data to improve school lunch policies. Confidence in these recommendations will be high once the study results are published, as the methodology is rigorous.
Parents of school-age children should care about these findings because they’ll learn how school meals compare to home meals. School administrators and cafeteria managers need this information to improve menus. Public health officials can use the data to strengthen nutrition policies. Children with obesity or nutrition-related health conditions may benefit from insights about where their calories come from.
The study is currently in data collection phase. Once complete, it will take several months to analyze the data and publish results. Parents and schools should expect to see findings within 12-18 months, which could then inform changes to school meal programs and family eating habits.
Frequently Asked Questions
How much do kids eat differently at school lunch versus at home?
The EnComCol study of 1,000 Spanish children is designed to measure exactly this difference by tracking all foods and drinks consumed in both settings. Results will show whether school cafeteria meals provide different amounts of nutrients like sugar, salt, and fat compared to home meals, with findings expected to reveal significant patterns by school type.
Does school type affect what children eat and their nutrition?
The EnComCol study specifically compares public, charter, and private schools to identify differences in children’s food intake and nutrient consumption. By analyzing 1,000 children across these school types, researchers will determine whether school ownership affects the quality and quantity of meals children receive.
Why is comparing home and school meals important for childhood obesity?
Children spend significant time at school and consume multiple meals there, so understanding whether school meals contribute to excess calories, sugar, or salt is crucial for addressing childhood obesity. The EnComCol study measures this directly to help schools and families work together on nutrition.
What will the new Spanish school menu rules change about what kids eat?
Spain’s Royal Decree 315/2025 sets specific standards for school menus and portion sizes. The EnComCol study will measure whether these new rules actually change what children eat and whether they reduce unhealthy nutrients like added sugars and salt in school meals.
How accurate is this study’s information about what kids actually eat?
The EnComCol study uses trained researchers, detailed 24-hour recalls, food diaries, and telephone validation to ensure accuracy. However, it relies partly on memory, so some variation exists. The large sample of 1,000 children across multiple regions strengthens the reliability of overall patterns.
Want to Apply This Research?
- Track your child’s meals across all eating occasions for one full day (breakfast, snacks, lunch, dinner, evening snacks) and compare the nutrients—especially sugar, salt, and saturated fat—between home meals and school cafeteria meals. Use the app to log portion sizes and identify which meals contribute most to daily totals.
- Based on your tracking, identify one meal or snack where your child consumes the most sugar, salt, or saturated fat. Work with your child to reduce that specific item by 25% over two weeks, then measure the change in their daily nutrient totals using the app.
- Repeat the full-day tracking monthly to see how your child’s nutrition patterns change across seasons and school terms. Compare home meal nutrition to school cafeteria nutrition quarterly to identify trends and adjust family meal planning accordingly.
This article describes a research study in progress and does not provide medical advice. The EnComCol study is designed to gather information about children’s eating patterns but has not yet published results. Parents concerned about their child’s nutrition, weight, or health should consult with their pediatrician or a registered dietitian. Individual dietary needs vary based on age, activity level, health conditions, and other factors. Do not make significant changes to your child’s diet based on this article alone without professional guidance.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.