Developmentally Delayed Learner (DDL)

The Developmentally Delayed Learner is a student who exhibits the following characteristics:

  • Below average intellectual function;
  • Potential for measurable achievement in instructional and employment settings.

This disability is defined as learning deficits resulting from below average intellectual functioning that adversely affects educational performance, existing concurrently with measurable potential for achievement in educational and/or employment settings.

Eligibility is met by one of the following three standards:

  1. Documentation of a standard score of 70 on either the Weschler, WJ-R Cognitive, Stanford Binet, or Standard Progressive Matrices assessment instruments;
  2. Certification from the Regional Center of a standard score of 70 on their ability assessment instrument; or
  3. A standard score between 71 and 80 on one of the instruments specified above in and at least one of seven other possible indicators (which include history of Special Education, and client with the Department of Rehabilitation or Regional Center).

DDL does not include learning problems that can be explained by any physical, visual, hearing, or speech impairment, ABI, psychological disability, or other disabling factors.

Eligibility For Services:

This disability can be verified by the DSPS Coordinator or DDL Specialists using the documentation from the referring agency.