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This review focuses on charter school interventions in the United States with students in grades PK–12 with a primary focus on student academic achievement and other outcomes. The following research questions guide this review:

  • What is the impact of charter schools on their students’ academic achievement in language arts, mathematics, and other subjects, as measured by test scores?
  • What is the impact of charter schools on their students’ other outcomes, including attendance, experience of disciplinary actions (suspensions or expulsions), social-emotional competence, educational attainment (for example, high school graduation, college entry, and degree completion) and earnings in adulthood?
  • What is the systemic impact of the expansion of the charter sector in a community on student achievement and educational attainment outcomes for students in traditional public schools?

Table of Contents

  • Purpose Statement
  • Key Definitions
  • Procedures for Conducting the Literature Search
  • Eligibility Criteria
  • Design Standards

Protocol Details

  • Version: 3.0
  • Released: January 2018

What is a Protocol?

A review protocol defines the scope of a systematic review. Developed with substantive experts, the protocol defines the parameters for the review, including the research, populations, settings, and outcomes. The protocol also specifies details of the literature search and any topic-specific applications of the design standards.

Protocol versions reflect the version of WWC standards in effect when the protocol was released. Protocol versions that predate the current version of the WWC standards handbook can be used to identify acceptable outcome domains for review within a given topic. The current WWC standards are used to guide the review of studies with acceptable outcomes.

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