McGraw Hill spent more than a century putting knowledge between covers. Its next act is turning that trusted catalog - and billions of student interactions - into adaptive software for classrooms that cannot afford to get the answer wrong.
It started as a Boston book publisher in 1832. Today HMH wants to be the software layer between the test a student takes and the lesson they get next.
Solution Tree built a sizable education business around a deceptively ordinary ritual: teachers meeting together. Its edge is turning that meeting into a system schools can buy, practice, measure and repeat.
FlatWorld is a Boston-based college textbook publisher on a mission to make high-quality course materials affordable for students. Founded in 2007 as Flat World Knowledge by publishing veterans Eric Frank and Jeff Shelstad, it pioneered low-cost, customizable digital textbooks before being acquired and rebranded in 2016 by Alastair Adam and John Eielson. Today FlatWorld offers 145+ peer-reviewed titles across 20+ disciplines, an auto-graded homework system, AI study tools, audiobooks and print-on-demand books - typically priced between roughly $25 and $42, a fraction of traditional textbook costs.