Anger washed over Plano mother Annmarie Barajas when her 10-year-old son came home from school and declared, “I think I’m fat.” Cameron Barajas, a Wyatt Elementary School fourth-grader, plays basketball, eats healthy food and packs on the muscle. But after participating in a series of tests to assess fitness as part of the school district curriculum, Cameron decided he was overweight, based on his body mass index, or BMI. “I was a little upset,” Annmarie Barajas said. “I told him, ‘You’re not fat. You are proportionate to your height.’” Fellow Wyatt fourth-grader Amanda Boland came to the same erroneous conclusion....
