The California Assessment of Student Performance and Progress (CAASPP) is a system designed to evaluate student learning in California. It includes various assessments that measure skills in subjects like English language arts, mathematics, and science. The results help educators understand student progress and improve teaching methods. CAASPP assessments are administered to students in grades 3 through 8 and once in high school. The program aims to provide a comprehensive view of student performance and readiness for college and careers. It is part of California's commitment to ensuring quality education for all students in the state.