High schools in Illinois provide upper secondary education and span grades 9-12 (around ages 15-19). High schools offer a wide variety of educational opportunities intended for the widest range of students possible - from college preparatory classes for advanced students and general education classes for average students to remedial courses for those who are falling behind. Students have the opportunity to mix and match course levels according to their own abilities and interests. Recently Chicago Public Schools, the city's school district, reported a number of achievements: high school students have gained twice as much as the state and three times as much as the nation on the ACT test; high school students taking advanced placement classes has more than doubled over the past five years; and the graduating class of 2008 received a record $157 million in competitive college scholarships. With impressive results, dedicated teachers and a variety of learning opportunities, Illinois high schools offer the training necessary for students to prepare for their carriers and life ahead.