California Science Test

California Science Test
Name	California Science Test
Acronym	CAST
Administered by	California Department of Education
Country	United States
Established	2015
Grades	5, 8, 10
Test type	Standards-based assessment

California Science Test is a standards-aligned assessment administered in California for grade-level science proficiency, designed to measure student performance against the Next Generation Science Standards adopted by the state. It operates alongside state accountability systems influenced by federal legislation such as the Every Student Succeeds Act and responds to curricular frameworks set by the California State Board of Education. The test’s implementation involves coordination among state agencies, local educational agencies like the Los Angeles Unified School District, assessment consortia, and test contractors.

Overview

The test evaluates middle and high school science understanding across domains reflected in the Next Generation Science Standards and aligns with state-adopted frameworks from the California Department of Education. It functions within accountability measures shaped by the United States Department of Education and state policies from the California Legislature and the California State Board of Education. Implementation requires collaboration with testing vendors, districts such as San Diego Unified School District, charter networks like KIPP and Aspire Public Schools, and organizations including the WestEd and Educational Testing Service for technical support.

History and Development

Development began after California’s standards revision process culminating in adoption of the Next Generation Science Standards following deliberations involving the California State Board of Education and advisory panels with representation from universities such as Stanford University, University of California, Berkeley, University of California, Los Angeles, and California State University, Long Beach. The legislature enacted changes influenced by debates in the California Assembly and the California Senate while advocacy groups like the California Teachers Association and the Association of California School Administrators participated in public comment. Pilot phases worked with districts including Fresno Unified School District and Oakland Unified School District, and researchers at institutions such as the Scripps Research Institute and Lawrence Hall of Science contributed to item development.

Test Structure and Content

CAST assesses disciplinary core ideas and science practices similar to frameworks developed by the National Research Council and assessments from the National Science Teachers Association. Items include performance tasks and computer-based modules informed by work at WestEd, American Institutes for Research, and ETS. Content domains span life sciences referencing resources from California Academy of Sciences, earth sciences drawing on standards used by the United States Geological Survey, and physical sciences reflecting guidance from organizations like American Association for the Advancement of Science. Test blueprints were reviewed by panels containing representatives from California State University, University of Southern California, and specialty groups such as the California Science Teachers Association.

Administration and Scoring

Administration is coordinated by the California Department of Education in testing windows scheduled with local districts including Sacramento City Unified School District and Long Beach Unified School District, with accommodations guided by the Individuals with Disabilities Education Act and managed in alignment with policies from the California Commission on Teacher Credentialing. Scoring incorporates automated and human-reviewed rubrics developed by contractors like Pearson and reviewed by psychometric experts from WestEd and ETS. Results feed into state data systems maintained with support from vendors and used by county offices such as the Los Angeles County Office of Education and by the California School Finance Authority for planning.

Participation and Eligibility

Students in participating districts, including those in San Francisco Unified School District and Santa Ana Unified School District, in grades designated by state policy—typically grades 5, 8, and 10—are required to take the assessment unless exempted under provisions by the California Department of Education or pursuant to individualized education programs administered under the Individuals with Disabilities Education Act. English learners receive accommodations aligned with guidance from the California Department of Education and advocacy organizations such as the Public Advocates and ACLU of Northern California. Charter schools operated by entities like Alliance College-Ready Public Schools and private school students may participate under local policies and interagency agreements.

Performance and Accountability

Aggregate outcomes contribute to school accountability frameworks overseen by the California State Board of Education and influence local decisions by boards such as the Los Angeles Unified School District Board of Education and the San Diego Unified School District Board of Education. Data inform policymaking in the California Legislature and program decisions by the California Department of Education, as well as research by academics at University of California, Irvine and Pepperdine University. Performance reports are used by advocacy groups such as the Public Policy Institute of California and non-profits like The Education Trust–West to evaluate achievement gaps across demographics tracked under federal law and state regulation.

Criticisms and Controversies

Critiques have arisen from teachers’ unions including the California Teachers Association and parent groups such as the California School Parent-Teacher Association regarding test alignment, instructional impact, and resource allocation, echoing national debates involving the National Education Association and civil rights organizations like the ACLU. Concerns over technical issues, contractor performance, and data use have involved vendors like Pearson and prompted oversight discussions in the California State Auditor and legislative hearings in the California Assembly Committee on Education. Academic commentators from Stanford University and University of California, Berkeley have debated measurement validity and equity implications, while community organizations in districts such as Oakland Unified School District and Fresno Unified School District have raised implementation and accessibility issues.

Category:California standardized tests