National Center on Educational Outcomes (NCEO)

The National Center on Educational Outcomes (NCEO) focuses on the inclusion of students with disabilities, English learners, and English learners with disabilities in instruction and assessments.  The scope of NCEO’s work includes issues related to accessibility of assessments across the comprehensive assessment system including formative assessment practices, classroom-based assessments, diagnostic assessments, interim assessments, and summative assessments.

See our About page for more on NCEO.

Latest News and Publications

A Summary of the Research on the Effects of K–12 Test Accommodations: 2020 (NCEO Report #436)

A Summary of the Research on the Effects of K–12 Test Accommodations: 2020 (NCEO Report #436) PDF

This report provides an update on the state of the research on testing accommodations. Previous reports by NCEO have covered research published since 1999. In this report, we summarize the research published in 2020.

A Literature Review of School-Wide Positive Behavioral Interventions and Supports for Students with Extensive Support Needs (TIES Center Report #106)

A Literature Review of School-Wide Positive Behavioral Interventions and Supports for Students with Extensive Support Needs (TIES Center Report #106)

This report presents the findings of a literature review to summarize the current literature of School-wide Positive Behavioral Interventions and Supports (PBIS), a multi-tiered framework that offers a continuum of supports to address the behavioral needs of all students within a school.

Separate School Placement Trends by Category and Age for Students with Extensive Support Needs (TIES Center Report #105)

Separate School Placement Trends by Category and Age for Students with Extensive Support Needs (TIES Center Report #105)

The purpose of this report is to examine the trends across the country over the past decade related to the placement of students with extensive support needs (ESN) in separate schools.