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PaTTAN is an initiative of the Pennsylvania Department of Education working in partnership with families and local education agencies to support programs and services to improve student learning and achievement.
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PennData - Least Restrictive Environment

PennData - Least Restrictive Environment ( LRE) is a section of the IEP that applies to students with disabilities receiving special education outside their regular education classroom, in regular schools with non-disabled students. The IEP team calculates the percentage of time the student receives special education outside the regular education classroom and indicates one of the following:

  • Less than 21% outside of the regular education classroom
  • 21-60% outside of the regular education classroom
  • 61% or more outside of the regular education classroom

For example: If the number of hours a student receives special education outside of the regular education classroom per week = 5 hours and the total number of hours of education per week = 40 hours, then calculate 5/40=12%. Less than 21% outside of the regular education classroom would then be selected in the IEP.

Detailed instructions related to calculating PennData - Least Restrictive Environment ( LRE) on the IEP can be found in Section VIII of the Annotated IEP