Klein Independent School District

Klein Independent School District (Klein ISD) is a school district that covers 87.5 square miles (227 km2) of land in Harris County, Texas, United States. Almost all of the territory is unincorporated; a small portion of Houston is within the district’s limits. 48,253 students attended Klein ISD Schools for the 2013-14 school year, and it is projected that in the 2014-15 school year, Klein will have 49,400 students. Klein ISD is part of the taxation base for the Lone Star College System. Dr.