Original sentence: IMSA's core science curriculum has been through a number of ground-up restructurings, but its current implementation is called "Scientific Inquiries" and integrates topics from all branches of science into a single double-credit class taken by all sophomores
Edited sentence: IMSA's core science curriculum has been through a number of ground-up restructurings.Its current implementation divided the old Scientific inquiry into four classes: Physics, Chemistry, Biology, and Inquiry.The old class was removed because it was ineffective in its presentation and use