With America’s kids heading back to school, overly politicized debates miss the undercurrent of the education issue. — In the Stroudsburg (Penn.) Area School District, in the early 1990s, math went like this: A student took Pre-Algebra in either seventh or eighth grade, then moved on to Algebra I in either eighth or ninth grade, then Algebra II. (A year of Geometry was sandwiched in between the two…