Maryland's Howard County Students Excel With Macmillan/McGraw-Hill's Treasures

for free or reduced-price lunch, and 3 percent are classified as ELL. About Macmillan/McGraw-Hill Macmillan/McGraw-Hill is part of McGraw-Hill School Solutions Group (MHSSG). The group combines Macmillan/McGraw-Hill, which focuses on Grades PreK-6, and...