The Academic Performance Index (API) in California is a system introduced to measure and improve the performance of public schools.

This system aimed to enhance school accountability and help students meet academic standards.

Structure and Evaluation Method of API Scores

  1. Score Range:

    • API scores are evaluated on a scale from 200 to 1,000,
    • and schools with an average score of 800 or above are considered excellent.

  2. API Score Calculation Method:

    • The CST (California Standards Test) accounts for 94.5% of the total score, making it the most significant component.
    • The CAT6 test plays a supplementary role with a 5.5% weight.
    • The subject-specific weights are as follows:
      • English: CST 53.3%, CAT6 3.3%
      • Math: CST 35.6%, CAT6 2.2%
      • Science: CST 5.6%

  3. Main Purpose of API Scores:

    • To encourage teachers to teach according to learning standards and guide students to meet the criteria for each grade and subject.
    • API scores were used to show the overall academic performance of schools while identifying specific areas needing improvement.

Controversy Over the Fairness of API Scores

  1. Limitations of Evaluation:

    • API scores are primarily based on standardized test results, which limits their ability to evaluate the overall performance of schools.
    • There have been criticisms that this could lead schools to operate solely based on test scores.

  2. Evaluation by Student Groups:

    • API separately evaluates all student groups within schools (by race, economic background, English learners, students with disabilities, etc.) to encourage each group to improve their performance.
    • This approach helps identify ways to support groups with lower performance.

How to Check API Scores

  • The API scores and reports for California public schools can be checked at CDE website.

While the API is a useful tool for measuring school performance, parents should not view this score as the sole criterion but consider various factors such as the school's educational philosophy, teacher capabilities, and student support programs.

When choosing a school, it is important to check the learning environment and student support systems provided by the school in addition to the API score.