Academic Performance Index. The API is a score on a scale of 200 to 1000 that annually measures the academic performance and progress of individual schools in California. On an interim basis, the state has set 800 as the API score that schools should strive to meet. AYP - Adequate Yearly Progress.
Academic Performance Index. A statewide ranking of schools based on student test scores from the CAT/6, CST, and high school exit exam; it ranges from 200 to 1000. Most schools have an API, a state ranking (by elementary, middle, or high school), a ranking in comparison to 100 similar schools, and growth targets for the following year. (Ed-data)