The story doesn’t claim that kindergartners take biology.
Yes it is a story.
“… reform has largely centered on the early years, kindergarten through third grade, and millions of students have already progressed beyond those grades without getting the full support that they needed... At the start of each academic class at Oakhaven, students spend 15 minutes or so learning vocabulary and pulling the words apart. In biology, for example, students wrote down the definition of “prophase””