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.Right now, IMSA gives four courses for sophomores: physics, biology, chemistry, and inquiry.This replaced the double credit course "Scientific Inquiries", which was ineffective due to its terrible structuring and mediocre teachers