The 2008 Academic Performance Index Scores have been released. The API system is based on year over year test score performance that allows parents, teachers, and officials to compare the progress a school is making compared to last year and in what areas the students might need to improve. You can also check on other testing scores to see how the students in your area schools compared to students on a community, state and national level. Also provided are the California High School Exit Exam scores, ACT scores, and CST scores, which also list the testing information by subgroup. For school and scoring information, please see the official website.