"Taking College Courses in High School Is Supposed to Save You Money. Here's How Dual Enrollment Classes Really Work," by Mindy Charski There’s a question that’s been creating plenty of angst for me as a parent being sucked into the vortex that is high school: Should my incoming ninth grader take a version of Algebra 2 that would give him both high school and college credit? Word on the street is these types of advanced courses can help lower the bill for higher education.