Guide to Evaluation Products

Evaluation Method Description

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Tool Name
Washington, DC: IMPACT

Evaluation Type
Observations of Teachers and Principals
Instructional Artifacts
Value-Added Models
Student Performance Measures
Combination Models

Subject
All Subjects
English Language Learners

Grade
All Grades

Use of Evaluation
Formative
Summative

Professional Status
Teacher

Developer
This product was developed by Washington, D.C., Public Schools.

Product Description
IMPACT is a performance assessment system that aims to ensure teacher effectiveness throughout the Washington, D.C., public school system. Included in the system are differentiated evaluations for teachers of general, English Language Learner, and special education students; counselors; mentor teachers; and other support staff. Evaluations of teachers are multidimensional and include five observations conducted by master evaluators and principals, an assessment of collaboration with other teachers, an assessment of commitment to the school community, an assessment of core professionalism, schoolwide gains in standardized test scores, and either non-value-added student achievement growth or value-added test score measures of teachers' classrooms. Weighting of each piece of this assessment is altered depending on the type of teacher being assessed.

General Target Population Information
All school personnel including school custodians will have a portion of their evaluation based on the schoolwide test score growth.

Stage of Development
All Stages

Users
This product is used in Washington, D.C.

Research and Resources
Research is currently under way.

Cost
This system was not developed for sale or marketing purposes.

Contact Information
Jason Kamras
1200 First Street, NE 12th Floor
Washington, DC 20002
Phone: 202-442-5885
E-Mail: impactdcps@dc.gov

Support Available
IMPACT Guidebooks for 20 different occupational profiles are available for viewing. These include measures for general education teachers with and without value-added scores, special education teachers, ELL teachers, library media specialists, mentor teachers, and others.