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Tool Name
Classroom Assessment Scoring System (CLASS)

Evaluation Type
Classroom Observations

Subject
All Subjects

Grade
Elementary Grades only

Use of Evaluation
Formative
Summative

URL

http://class.teachstone.org/what/index.php

Information on the protocol and its validation appear at http://www.brookespublishing.com/class2007/CLASS_K-3.pdf.


Developer
This product was developed by Robert Pianta and his colleagues at the Center for Advanced Study in Teaching and Learning at the University of Virginia.

Product Description
This instrument measures emotional support, classroom organization, and instructional support. It is based on theories of child development and focuses on interactions between students and teachers. The CLASS Pre-K version is used in Head Start and Grades K–3, and several districts use the middle and secondary versions. The University of Virginia's electronic teacher professional development program and the American Board Certification for Teaching Excellence (ABCTE) for Distinguished Teacher Certification also use it.

General Target Population Information
This measure was developed for the assessment of emotional support, classroom organization, and instructional support for prekindergarten and Grades K–3.

Stage of Teacher Development
All Stages

Users
CLASS has been used by researchers and evaluators and is currently being considered by the state of Georgia for use as their state-wide teacher observation system.

Research and Resources

La Paro, K. M., Pianta, R. C., & Stuhlman, M. (2004). Classroom Assessment Scoring System (CLASS): Findings from the pre-K year. Elementary School Journal, 104(5), 409–426.

Drew Gitomer, Ph.D., and Courtney Bell, Ph.D., at ETS are currently conducting research to assess different ways to implement CLASS and seek to optimize its efficiency.


Cost

CLASS offers onsite training for approximately $2,000. This cost does not include material and normally is conducted on a district-level to train a few observers per school.

CLASS also offers training at its own site for about $670 per person not including travel expenses but including materials. This cost includes the train-the-trainer program.


Contact Information

CLASS training and purchases are available through Teachstone.
online: class.teachstone.org
Phone: 866-988-8352
E-Mail: office@teachstone.org

Center for Advanced Study of Teaching and Learning (CASTL) at the University of Virginia is responsible for creating the instrument.
350 Old Ivy Way, Suite 100
Charlottesville, VA 22903
Phone: 434-982-4760
E-Mail: castl@virginia.edu 


Support Available
Also, the Personal Development Program is being launched next summer, and districts will be able to use the evaluation as part of their professional development program for a more formative evaluation. Training is available through Teachstone at http://www.teachstone.org/.