Our system is not a common core. Common Core is an academic standard. We are compatible and aligned with the common core in that we teach mathematics conceptually, which is what common core, as a standard, aims to accomplish. However, Common Core tends to alienate parents and we think parents are an important part of the equation and so we have made a system that accomplishes that goal without any confusion for parents. We cover from counting to Algebra. If your student is working on any of those subjects we will be able to help.