sentences:  In the 2007-2008 school year, Waco Independent School District piloted integration of Whyville into school day activities and creating lesson plans in more than fifty classrooms with over 1,000 students.In April, 2008, as part of its work with the Texas Workforce Commission, Whyville launched a new initiative for teachers called the WhyTexas Challenge.Over three weeks, 300 teachers in Texas signed their students up to compete for their classrooms.