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Special Education Listserv

Subject: DATA COLLECTION CHANGE/OSEP Changes to ECSE Educational Environments

Source: Mary Corey, Director, Data Coordination

Intended Audience: Directors of Special Education and Early Childhood Special Education

Date: May 18, 2010

As indicated in a SELs message sent on May 10, 2010 (, the U.S. Department of Education, Office of Special Education Programs (OSEP) recently notified states that changes to the Early Childhood Special Education (ECSE) educational environments have been approved.  These changes will go into effect for the 2010-11 school year, meaning that the revised educational environments will need to be reported for the December child count via the December MOSIS Student Core file. 

Updated technical assistance and revised codes are now available at  The technical assistance includes definitions, instructions, examples, and a worksheet for determining the educational environments for children in ECSE.  In addition to this information, we have scheduled a webinar to review the changes for August 26, 2010.  More information will be forthcoming. 

If you have questions, please contact the Data Coordination Section at 573-751-8165, 573-751-7848, or