Caloric Intake

The Harris-Benedict formula
The Harris Benedict equation is a calorie formula using the factors of height, weight, age, and sex to determine basal metabolic rate
Men: BMR = 66 + (13.7 X wt in kg) + (5 X ht in cm) - (6.8 X age in years)
Women: BMR = 655 + (9.6 X wt in kg) + (1.8 X ht in cm) - (4.7 X age in years)

Very active Person = BMR X 1.725 (hard exercise/sports 6-7 days/wk)

For Example
You are Male
You are 68 kg
You are 170 cm
You are 15
You are very active

Your Caloric Intake should be 3011 calories.

The caloric intake can be different for different people depending on their size, even if they are all highly active teenagers.
So there is a large range of caloric intake for highly active teenagers.