Peoria, Arizona is located northwest of the city of Phoenix, and is considered part of the greater Phoenix area.  There are more than 122,000 people living there, making it the 9th largest city in Arizona. Peoria used to be basically agricultural, but it has grown into a modern city with workers in both commercial and service industries. Major employers include Peoria Unified School District, Bell Rd Auto Dealers, City of Peoria, Plaza Del Rio Campus, and Freedom Plaza Care Center.  There are 25 public elementary schools and five public high schools in Peoria. The area is served by the Peoria Unified School District. Nearby, in Glendale, there is a community college, the American Graduate School of International Management (also known as 'Thunderbird'), and A.S.U.'s West Campus. Peoria is home to the Peoria Sports Complex, where two Cactus League teams play Spring Training baseball games, and where various events and festivals take place throughout the year. Lake Pleasant and the Challenger Learning Center are in Peoria.