Articles like this only reinforce the parochial school wisdom of separating the sexes. Boys and girls have different educational needs and mixing them together at best makes for uneasy compromises. In the hands of an agenda-driven bureaucracy things get downright dysfunctional.
Which just shows how the bureacracy is dedicated to the proposition of one size fits all.
Imagine if we taught children to walk the same way as public schools. If the child did not learn to walk by and arbitrary X months, they would be labeled a cripple and forced to use a wheelchair for the rest of their lives.