Each day teens (12-13 years) need about 2 serves of fruit; 5-5½ serves of vegies; 3½ serves of dairy; 5-6 serves of grains; and 2½ serves of protein foods.
From “good for people” to “good for people and planet” – Placing health and environment on equal footing when developing food-based dietary guidelines - ScienceDirect
Food Portion Sizes for Children: Toddlers to Teens - SuperKids Nutrition
Australia's youth: Nutrition - Australian Institute of Health and Welfare
Healthy eating for children
Face 3 of the pyramid. Food guide pyramid for children and adolescents.
Position of the American Dietetic Association: Dietary Guidance for Healthy Children Ages 2 to 11 Years - ScienceDirect
Toddler Portion Sizes: Everything You Need to Know - Your Kid's Table
How America's diet has changed over time
13-Month-Old: Development, Milestones, and Sleep
Dietary guidelines & food groups 12-13 yrs
Nutritional Guidelines for Kids of Every Age