BOCA RATON, Fla. — When the lunch bell rings at Boca Raton Community High School in Boca Raton, Florida, 3,400 kids spill into the courtyard and split into their social groups.
But not everyone gets included. Here at Boca High and at schools across the country, someone always sits alone.
“It’s not a good feeling, like you’re by yourself. And that’s something that I don’t want anybody to go through,” said Denis Estimon.
When he came here in first grade as a Haitian immigrant, he says he felt isolated, especially at lunch. 
Now he’s a senior. He’s popular. But he has not forgotten that first grade feeling.
“To me it’s like, if we don’t try to go make that change, who’s going to do it?” he said.
So with some friends, Denis started a club called We Dine Together.
Their mission is to go into the courtyard at lunchtime to make sure no one is starving …