A look inside Denver’s newest single-gender, athletic-focused charter school

One of the first things the new sixth-graders at Denver’s new all-boys public school learned last week was the school cheer. And unlike what you might expect on the first day of a school that drew kids from 31 different elementary schools from all corners of the city — kids who were, for the most part, strangers in matching T-shirts — they were not at all timid.
The first time they tried the cheer, their voices boomed as loudly as tween boys’ voices can.
“I am!&rdqu