Shackleton wrote:The child has been in the class for almost a year and it has caused him no harm.
What's the documented delta in weight and cholesterol over this 12 month period? [Rhet.]
Causing no harm is all well and good but we enter performance improvement programs to improve, not to maintain status quo. If the kid is still obese and high cholesterol, your argument is weaker, though still substantial in the universal understanding that it is better for kids to exercise than not.